Updated ExtensionData to be nullable

Libraries/SPTarkov.Server.Core/Models/Common/IdWithCount.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Common;
 public record IdWithCount
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     ID of stack to take money from

Libraries/SPTarkov.Server.Core/Models/Common/MinMax.cs

@@ -7,7 +7,7 @@ public record MinMax<T>
     where T : IMinMaxValue<T>
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public MinMax(T min, T max)
     {

Libraries/SPTarkov.Server.Core/Models/Eft/Bot/GenerateBotsRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Bot;
 public record GenerateBotsRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("conditions")]
     public List<GenerateCondition>? Conditions { get; set; }
@@ -15,7 +15,7 @@ public record GenerateBotsRequestData : IRequestData
 public record GenerateCondition
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     e.g. assault/pmcBot/bossKilla

Libraries/SPTarkov.Server.Core/Models/Eft/Bot/RandomisedBotLevelResult.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Bot;
 public record RandomisedBotLevelResult
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("level")]
     public int? Level { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Builds/SetMagazineRequest.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Builds;
 public record SetMagazineRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/EmptyRequestData.cs

@@ -6,5 +6,5 @@ namespace SPTarkov.Server.Core.Models.Eft.Common;
 public record EmptyRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Location.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common;
 public record Location
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     Map meta-data
@@ -51,7 +51,7 @@ public record Location
 public record StaticContainer
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("containersGroups")]
     public Dictionary<string, ContainerMinMax>? ContainersGroups { get; set; }
@@ -63,7 +63,7 @@ public record StaticContainer
 public record ContainerMinMax
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("minContainers")]
     public int? MinContainers { get; set; }
@@ -81,7 +81,7 @@ public record ContainerMinMax
 public record ContainerData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("groupId")]
     public string? GroupId { get; set; }
@@ -90,7 +90,7 @@ public record ContainerData
 public record StaticLootDetails
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("itemcountDistribution")]
     public ItemCountDistribution[] ItemCountDistribution { get; set; }
@@ -102,7 +102,7 @@ public record StaticLootDetails
 public record ItemCountDistribution
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("count")]
     public int? Count { get; set; }
@@ -114,7 +114,7 @@ public record ItemCountDistribution
 public record ItemDistribution
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("tpl")]
     public string? Tpl { get; set; }
@@ -126,7 +126,7 @@ public record ItemDistribution
 public record StaticContainerDetails
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("staticWeapons")]
     public List<SpawnpointTemplate> StaticWeapons { get; set; }
@@ -141,7 +141,7 @@ public record StaticContainerDetails
 public record StaticForced
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("containerId")]
     public string ContainerId { get; set; }
@@ -153,7 +153,7 @@ public record StaticForced
 public record StaticContainerData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("probability")]
     public float? Probability { get; set; }
@@ -165,7 +165,7 @@ public record StaticContainerData
 public record StaticAmmoDetails
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("tpl")]
     public string? Tpl { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/LocationBase.cs

@@ -9,7 +9,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common;
 public record LocationBase
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("AccessKeys")]
     public List<string>? AccessKeys { get; set; }
@@ -383,7 +383,7 @@ public record LocationBase
 public record EventTrapsData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public double MaxBarbedWires { get; set; }
 
@@ -397,7 +397,7 @@ public record EventTrapsData
 public record Transit
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("activateAfterSec")]
     public int? ActivateAfterSeconds { get; set; }
@@ -436,7 +436,7 @@ public record Transit
 public record NonWaveGroupScenario
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Chance")]
     public double? Chance { get; set; }
@@ -466,7 +466,7 @@ public record Limit : MinMax<int>
 public record AirdropParameter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("AirdropPointDeactivateDistance")]
     public int? AirdropPointDeactivateDistance { get; set; }
@@ -502,7 +502,7 @@ public record AirdropParameter
 public record Banner
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -514,7 +514,7 @@ public record Banner
 public record Pic
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("file")]
     public string? File { get; set; }
@@ -532,7 +532,7 @@ public record Pic
 public record BossLocationSpawn
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("BossChance")]
     public double? BossChance { get; set; }
@@ -605,7 +605,7 @@ public record BossLocationSpawn
 public record BossSupport
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("BossEscortAmount")]
     public string? BossEscortAmount { get; set; }
@@ -621,7 +621,7 @@ public record BossSupport
 public record BotLocationModifier
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("AccuracySpeed")]
     public double? AccuracySpeed { get; set; }
@@ -708,7 +708,7 @@ public record BotLocationModifier
 public record AdditionalHostilitySettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("AlwaysEnemies")]
     public List<string>? AlwaysEnemies { get; set; }
@@ -750,7 +750,7 @@ public record AdditionalHostilitySettings
 public record ChancedEnemy
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("EnemyChance")]
     public int? EnemyChance { get; set; }
@@ -768,7 +768,7 @@ public record MinMaxBot : MinMax<int>
 public record MinPlayerWaitTime
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("minPlayers")]
     public int? MinPlayers { get; set; }
@@ -780,7 +780,7 @@ public record MinPlayerWaitTime
 public record Preview
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("path")]
     public string? Path { get; set; }
@@ -792,7 +792,7 @@ public record Preview
 public record Scene
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("path")]
     public string? Path { get; set; }
@@ -804,7 +804,7 @@ public record Scene
 public record SpawnPointParam
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("BotZoneName")]
     public string? BotZoneName { get; set; }
@@ -840,7 +840,7 @@ public record SpawnPointParam
 public record ColliderParams
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _parent;
 
@@ -858,7 +858,7 @@ public record ColliderParams
 public record ColliderProps
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Center")]
     public XYZ? Center { get; set; }
@@ -873,7 +873,7 @@ public record ColliderProps
 public record Exit
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     % Chance out of 100 exit will appear in raid
@@ -969,7 +969,7 @@ public record Exit
 public record MaxItemCountInLocation
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("TemplateId")]
     public string? TemplateId { get; set; }
@@ -981,7 +981,7 @@ public record MaxItemCountInLocation
 public record Wave
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("BotPreset")]
     public string? BotPreset { get; set; }
@@ -1039,7 +1039,7 @@ public record Wave
 public record LocationEvents
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Halloween2024")]
     public Halloween2024? Halloween2024 { get; set; }
@@ -1050,7 +1050,7 @@ public record LocationEvents
 public record Khorovod
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public double? Chance { get; set; }
 }
@@ -1058,7 +1058,7 @@ public record Khorovod
 public record Halloween2024
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("CrowdAttackBlockRadius")]
     public double? CrowdAttackBlockRadius { get; set; }
@@ -1108,7 +1108,7 @@ public record Halloween2024
 public record CrowdAttackSpawnParam
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Difficulty")]
     public string? Difficulty { get; set; }
@@ -1123,7 +1123,7 @@ public record CrowdAttackSpawnParam
 public record Area
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("center")]
     public XYZ? Center { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/LooseLoot.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common;
 public record LooseLoot
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("spawnpointCount")]
     public SpawnpointCount? SpawnpointCount { get; set; }
@@ -21,7 +21,7 @@ public record LooseLoot
 public record SpawnpointCount
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("mean")]
     public required double Mean { get; set; }
@@ -33,7 +33,7 @@ public record SpawnpointCount
 public record SpawnpointTemplate
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _root;
 
@@ -78,7 +78,7 @@ public record SpawnpointTemplate
 public record GroupPosition
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _name;
 
@@ -102,7 +102,7 @@ public record GroupPosition
 public record Spawnpoint
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("locationId")]
     public string? LocationId { get; set; }
@@ -120,7 +120,7 @@ public record Spawnpoint
 public record LooseLootItemDistribution
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("composedKey")]
     public ComposedKey? ComposedKey { get; set; }
@@ -132,7 +132,7 @@ public record LooseLootItemDistribution
 public record ComposedKey
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _key;
 

Libraries/SPTarkov.Server.Core/Models/Eft/Common/MetricsTableData.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common;
 public record MetricsTableData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Keys")]
     public List<int>? Keys { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/PmcData.cs

@@ -23,7 +23,7 @@ public record PostRaidPmcData : PmcData { }
 public record PostRaidStats
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Eft")]
     public EftStats? Eft { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Request/BaseInteractionRequestData.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Request;
 public record BaseInteractionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Action")]
     public string? Action { get; set; }
@@ -20,7 +20,7 @@ public record BaseInteractionRequestData
 public record OwnerInfo
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Request/UIDRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Request;
 public record UIDRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("uid")]
     public string? Uid { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Achievement.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record Achievement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("index")]
     public required int Index { get; set; }
@@ -53,7 +53,7 @@ public record Achievement
 public record AchievementQuestConditionTypes
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("started")]
     public List<QuestCondition>? Started { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/BotBase.cs

@@ -10,7 +10,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record BotBase
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }
@@ -119,7 +119,7 @@ public record BotBase
 public record MoneyTransferLimits
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     // Resets every 24 hours in live
     /// <summary>
@@ -141,7 +141,7 @@ public record MoneyTransferLimits
 public record TaskConditionCounter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -162,7 +162,7 @@ public record TaskConditionCounter
 public record UnlockedInfo
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("unlockedProductionRecipe")]
     public HashSet<string>? UnlockedProductionRecipe { get; set; }
@@ -171,7 +171,7 @@ public record UnlockedInfo
 public record Info
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _side;
 
@@ -270,7 +270,7 @@ public record Info
 public record BotInfoSettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _botDifficulty;
     private string? _role;
@@ -300,7 +300,7 @@ public record BotInfoSettings
 public record Ban
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("banType")]
     public BanType? BanType { get; set; }
@@ -324,7 +324,7 @@ public enum BanType
 public record Customization
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _body;
 
@@ -369,7 +369,7 @@ public record Customization
 public record BotBaseHealth
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public CurrentMinMax? Hydration { get; set; }
 
@@ -391,7 +391,7 @@ public record BotBaseHealth
 public record BodyPartHealth
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public CurrentMinMax? Health { get; set; }
 
@@ -401,7 +401,7 @@ public record BodyPartHealth
 public record BodyPartEffectProperties
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     // TODO: this was any, what actual type is it?
     public object? ExtraData { get; set; }
@@ -412,7 +412,7 @@ public record BodyPartEffectProperties
 public record CurrentMinMax
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public double? Current { get; set; }
 
@@ -428,7 +428,7 @@ public record CurrentMinMax
 public record BotBaseInventory
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("items")]
     public List<Item>? Items { get; set; }
@@ -472,7 +472,7 @@ public record BotBaseInventory
 public record Skills
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<CommonSkill>? Common { get; set; }
 
@@ -483,6 +483,9 @@ public record Skills
 
 public record MasterySkill
 {
+    [JsonExtensionData]
+    public Dictionary<string, object>? ExtensionData { get; set; }
+
     public string? Id { get; set; }
 
     public double? Progress { get; set; }
@@ -491,7 +494,7 @@ public record MasterySkill
 public record CommonSkill
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public double? PointsEarnedDuringSession { get; set; }
 
@@ -511,7 +514,7 @@ public record CommonSkill
 public record Stats
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public EftStats? Eft { get; set; }
 }
@@ -519,7 +522,7 @@ public record Stats
 public record EftStats
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<string>? CarriedQuestItems { get; set; }
 
@@ -562,7 +565,7 @@ public record EftStats
 public record DroppedItem
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public string? QuestId { get; set; }
 
@@ -574,7 +577,7 @@ public record DroppedItem
 public record FoundInRaidItem
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public string? QuestId { get; set; }
 
@@ -584,7 +587,7 @@ public record FoundInRaidItem
 public record Victim
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public string? AccountId { get; set; }
 
@@ -616,7 +619,7 @@ public record Victim
 public record SessionCounters
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<CounterKeyValue>? Items { get; set; }
 }
@@ -624,7 +627,7 @@ public record SessionCounters
 public record OverallCounters
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<CounterKeyValue>? Items { get; set; }
 }
@@ -632,7 +635,7 @@ public record OverallCounters
 public record CounterKeyValue
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<string>? Key { get; set; }
 
@@ -642,7 +645,7 @@ public record CounterKeyValue
 public record Aggressor
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public double? PrestigeLevel { get; set; }
 
@@ -675,7 +678,7 @@ public record Aggressor
 public record DamageHistory
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public string? LethalDamagePart { get; set; }
 
@@ -690,7 +693,7 @@ public record DamageHistory
 public record BodyPartsDamageHistory
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<DamageStats>? Head { get; set; }
 
@@ -712,7 +715,7 @@ public record BodyPartsDamageHistory
 public record DamageStats
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public double? Amount { get; set; }
 
@@ -731,7 +734,7 @@ public record DamageStats
 public record DeathCause
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonConverter(typeof(JsonStringEnumConverter))]
     public DamageType? DamageType { get; set; }
@@ -748,7 +751,7 @@ public record DeathCause
 public record LastPlayerState
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public LastPlayerStateInfo? Info { get; set; }
 
@@ -761,7 +764,7 @@ public record LastPlayerState
 public record LastPlayerStateInfo
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public string? Nickname { get; set; }
 
@@ -775,7 +778,7 @@ public record LastPlayerStateInfo
 public record BackendCounter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -790,7 +793,7 @@ public record BackendCounter
 public record InsuredItem
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     Trader ID item was insured by
@@ -805,7 +808,7 @@ public record InsuredItem
 public record Hideout
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public Dictionary<string, Production?>? Production { get; set; }
 
@@ -832,7 +835,7 @@ public record Hideout
 public record HideoutCounters
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("fuelCounter")]
     public double? FuelCounter { get; set; }
@@ -850,7 +853,7 @@ public record HideoutCounters
 public record HideoutImprovement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("completed")]
     public bool? Completed { get; set; }
@@ -862,7 +865,7 @@ public record HideoutImprovement
 public record Production // use this instead of productive and scavcase
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<Item>? Products { get; set; }
 
@@ -939,7 +942,7 @@ public record Production // use this instead of productive and scavcase
 public record BotHideoutArea
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("type")]
     public HideoutAreas? Type { get; set; }
@@ -972,7 +975,7 @@ public record BotHideoutArea
 public record HideoutSlot
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     SPT specific value to keep track of what index this slot is (0,1,2,3 etc.)
@@ -987,7 +990,7 @@ public record HideoutSlot
 public record LastCompleted
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("$oid")]
     public string? OId { get; set; }
@@ -996,7 +999,7 @@ public record LastCompleted
 public record Notes
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Notes")]
     public List<Note>? DataNotes { get; set; }
@@ -1014,7 +1017,7 @@ public enum SurvivorClass
 public record Quests
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("qid")]
     public string? QId { get; set; }
@@ -1041,7 +1044,7 @@ public record Quests
 public record TraderInfo
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("loyaltyLevel")]
     public int? LoyaltyLevel { get; set; }
@@ -1065,7 +1068,7 @@ public record TraderInfo
 public record RagfairInfo
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("rating")]
     public double? Rating { get; set; }
@@ -1086,7 +1089,7 @@ public record RagfairInfo
 public record Bonus
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/BotCore.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record BotCore
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("SAVAGE_KILL_DIST")]
     public double? SavageKillDistance { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/BotType.cs

@@ -8,7 +8,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record BotType
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("appearance")]
     public Appearance? BotAppearance { get; set; }
@@ -44,7 +44,7 @@ public record BotType
 public record Appearance
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("body")]
     public Dictionary<string, double>? Body { get; set; }
@@ -68,7 +68,7 @@ public record Appearance
 public record Chances
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("equipment")]
     public Dictionary<string, double>? EquipmentChances { get; set; }
@@ -91,7 +91,7 @@ public record Chances
 public record ModsChances
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("mod_charge")]
 public double? ModCharge { get; set; }
@@ -254,7 +254,7 @@ public double? ModPistol_Grip { get; set; }
 public record Difficulties
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("easy")]
     public DifficultyCategories? Easy { get; set; }
@@ -272,7 +272,7 @@ public record Difficulties
 public record DifficultyCategories
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public Dictionary<string, object>? Aiming { get; set; } // TODO: string | number | boolean
 
@@ -306,7 +306,7 @@ public record DifficultyCategories
 public record Experience
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     key = bot difficulty
@@ -336,7 +336,7 @@ public record Experience
 public record Generation
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("items")]
     public GenerationWeightingItems? Items { get; set; }
@@ -345,7 +345,7 @@ public record Generation
 public record GenerationData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     key: number of items, value: weighting
@@ -364,7 +364,7 @@ public record GenerationData
 public record GenerationWeightingItems
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("grenades")]
     public GenerationData Grenades { get; set; }
@@ -409,7 +409,7 @@ public record GenerationWeightingItems
 public record BotTypeHealth
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public List<BodyPart>? BodyParts { get; set; }
 
@@ -423,7 +423,7 @@ public record BotTypeHealth
 public record BodyPart
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public MinMax<double>? Chest { get; set; }
 
@@ -443,7 +443,7 @@ public record BodyPart
 public record BotTypeInventory
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("equipment")]
     public Dictionary<EquipmentSlots, Dictionary<string, double>>? Equipment { get; set; }
@@ -460,7 +460,7 @@ public record BotTypeInventory
 public record Equipment
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public Dictionary<string, double>? ArmBand { get; set; }
 
@@ -494,7 +494,7 @@ public record Equipment
 public record ItemPools
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public Dictionary<string, double>? Backpack { get; set; }
 
@@ -510,7 +510,7 @@ public record ItemPools
 public record BotDbSkills
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public Dictionary<string, MinMax<double>>? Common { get; set; }
 

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/CustomisationStorage.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record CustomisationStorage
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     // Customisation.json/itemId
     [JsonPropertyName("id")]
@@ -21,7 +21,7 @@ public record CustomisationStorage
 public record CustomisationType
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public const string SUITE = "suite";
     public const string DOG_TAG = "dogTag";
@@ -41,7 +41,7 @@ public record CustomisationType
 public record CustomisationTypeId
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public const string CUSTOMIZATION = "5cbdb4a2e2b501000d352ae2";
     public const string BODY_PARTS = "5cd943c31388ce000a659df5";
@@ -70,7 +70,7 @@ public record CustomisationTypeId
 public record CustomisationSource
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public const string QUEST = "quest";
     public const string PRESTIGE = "prestige";

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/CustomizationItem.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record CustomizationItem
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }
@@ -29,7 +29,7 @@ public record CustomizationItem
 public class CustomizationProps
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Prefab")]
     public object? Prefab { get; set; } // Prefab object or string

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/HandbookBase.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record HandbookBase
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Categories")]
     public List<HandbookCategory>? Categories { get; set; }
@@ -17,7 +17,7 @@ public record HandbookBase
 public record HandbookCategory
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Id")]
     public string? Id { get; set; }
@@ -40,7 +40,7 @@ public record HandbookCategory
 public record HandbookItem
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Item.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record Item
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _id;
 
@@ -60,7 +60,7 @@ public record Item
 public record HideoutItem
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     Hideout inventory id that was used by improvement action
@@ -106,7 +106,7 @@ public record HideoutItem
 public record ItemLocation
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("x")]
     public int? X { get; set; }
@@ -140,7 +140,7 @@ public enum ItemRotation
 public record Upd
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public UpdBuff? Buff { get; set; }
 
@@ -207,7 +207,7 @@ public record Upd
 public record LockableKeyComponent
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public float? RelativeValue { get; set; }
     public int? NumberOfUsages { get; set; }
@@ -216,7 +216,7 @@ public record LockableKeyComponent
 public record LockableComponent
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public string[]? KeyIds { get; set; }
     public bool? Locked { get; set; }
@@ -234,7 +234,7 @@ public enum PinLockState
 public record UpdBuff
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Rarity")]
     public string? Rarity { get; set; }
@@ -253,7 +253,7 @@ public record UpdBuff
 public record UpdTogglable
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("On")]
     public bool? On { get; set; }
@@ -262,7 +262,7 @@ public record UpdTogglable
 public record UpdMap
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Markers")]
     public List<MapMarker>? Markers { get; set; }
@@ -271,7 +271,7 @@ public record UpdMap
 public record MapMarker
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Type")]
     public string? Type { get; set; }
@@ -289,7 +289,7 @@ public record MapMarker
 public record UpdTag
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Color")]
     public int? Color { get; set; }
@@ -301,7 +301,7 @@ public record UpdTag
 public record UpdFaceShield
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Hits")]
     public int? Hits { get; set; }
@@ -313,7 +313,7 @@ public record UpdFaceShield
 public record UpdRepairable
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Durability")]
     public double? Durability { get; set; }
@@ -325,7 +325,7 @@ public record UpdRepairable
 public record UpdRecodableComponent
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("IsEncoded")]
     public bool? IsEncoded { get; set; }
@@ -334,7 +334,7 @@ public record UpdRecodableComponent
 public record UpdMedKit
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("HpResource")]
     public double? HpResource { get; set; }
@@ -343,7 +343,7 @@ public record UpdMedKit
 public record UpdSight
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("ScopesCurrentCalibPointIndexes")]
     public List<int>? ScopesCurrentCalibPointIndexes { get; set; }
@@ -360,7 +360,7 @@ public record UpdSight
 public record UpdFoldable
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Folded")]
     public bool? Folded { get; set; }
@@ -369,7 +369,7 @@ public record UpdFoldable
 public record UpdFireMode
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("FireMode")]
     public string? FireMode { get; set; }
@@ -378,7 +378,7 @@ public record UpdFireMode
 public record UpdFoodDrink
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("HpPercent")]
     public double? HpPercent { get; set; }
@@ -387,7 +387,7 @@ public record UpdFoodDrink
 public record UpdKey
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     // Checked in client
     [JsonPropertyName("NumberOfUsages")]
@@ -397,7 +397,7 @@ public record UpdKey
 public record UpdResource
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Value")]
     public double? Value { get; set; }
@@ -409,7 +409,7 @@ public record UpdResource
 public record UpdLight
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("IsActive")]
     public bool? IsActive { get; set; }
@@ -421,7 +421,7 @@ public record UpdLight
 public record UpdDogtag
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("AccountId")]
     public string? AccountId { get; set; }
@@ -463,7 +463,7 @@ public record UpdDogtag
 public record UpdSideEffect
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Value")]
     public double? Value { get; set; }
@@ -472,7 +472,7 @@ public record UpdSideEffect
 public record UpdRepairKit
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Resource")]
     public double? Resource { get; set; }
@@ -481,7 +481,7 @@ public record UpdRepairKit
 public record UpdCultistAmulet
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("NumberOfUsages")]
     public double? NumberOfUsages { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/LocationServices.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record LocationServices
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("TraderServerSettings")]
     public TraderServerSettings? TraderServerSettings { get; set; }
@@ -19,7 +19,7 @@ public record LocationServices
 public record TraderServerSettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("TraderServices")]
     public TraderServices? TraderServices { get; set; }
@@ -28,7 +28,7 @@ public record TraderServerSettings
 public record TraderServices
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("ExUsecLoyalty")]
     public TraderService? ExUsecLoyalty { get; set; }
@@ -55,7 +55,7 @@ public record TraderServices
 public record TraderService
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("TraderId")]
     public string? TraderId { get; set; }
@@ -78,7 +78,7 @@ public record TraderService
 public record ServiceRequirements
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("CompletedQuests")]
     [JsonIgnore(Condition = JsonIgnoreCondition.Never)]
@@ -93,7 +93,7 @@ public record ServiceRequirements
 public record CompletedQuest
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("QuestId")]
     public string? QuestId { get; set; }
@@ -102,7 +102,7 @@ public record CompletedQuest
 public record StandingRequirement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Value")]
     public double? Value { get; set; }
@@ -111,7 +111,7 @@ public record StandingRequirement
 public record ServiceItemCostDetails
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Count")]
     public int? Count { get; set; }
@@ -120,7 +120,7 @@ public record ServiceItemCostDetails
 public record BtrServerSettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("ChanceSpawn")]
     public double? ChanceSpawn { get; set; }
@@ -171,7 +171,7 @@ public record BtrServerSettings
 public record ServerMapBtrsettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("MapID")]
     public string? MapID { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/LocationsBase.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record LocationsBase
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("locations")]
     public Locations? Locations { get; set; }
@@ -17,7 +17,7 @@ public record LocationsBase
 public record Locations
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     // Add properties as necessary
 }
@@ -25,7 +25,7 @@ public record Locations
 public record Path
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Source")]
     public string? Source { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/LocationsGenerateAllResponse.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record LocationsGenerateAllResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("locations")]
     public Dictionary<string, LocationBase> Locations { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Match.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record Match
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("metrics")]
     public Metrics? Metrics { get; set; }
@@ -14,7 +14,7 @@ public record Match
 public record Metrics
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Keys")]
     public List<int>? Keys { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Prestige.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record Prestige
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("elements")]
     public List<PrestigeElement>? Elements { get; set; }
@@ -14,7 +14,7 @@ public record Prestige
 public record PrestigeElement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -38,7 +38,7 @@ public record PrestigeElement
 public record TransferConfigs
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("stashConfig")]
     public StashPrestigeConfig? StashConfig { get; set; }
@@ -53,7 +53,7 @@ public record TransferConfigs
 public record StashPrestigeConfig
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("xCellCount")]
     public int? XCellCount { get; set; }
@@ -68,7 +68,7 @@ public record StashPrestigeConfig
 public record StashPrestigeFilters
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("includedItems")]
     public List<string>? IncludedItems { get; set; }
@@ -80,7 +80,7 @@ public record StashPrestigeFilters
 public record PrestigeSkillConfig
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("transferMultiplier")]
     public double? TransferMultiplier { get; set; }
@@ -89,7 +89,7 @@ public record PrestigeSkillConfig
 public record PrestigeMasteringConfig
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("transferMultiplier")]
     public double? TransferMultiplier { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/ProfileTemplate.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record ProfileSides
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("descriptionLocaleKey")]
     public string? DescriptionLocaleKey { get; set; }
@@ -21,7 +21,7 @@ public record ProfileSides
 public record TemplateSide
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("character")]
     public PmcData? Character { get; set; }
@@ -48,7 +48,7 @@ public record TemplateSide
 public record ProfileTraderTemplate
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("initialLoyaltyLevel")]
     public Dictionary<string, int?>? InitialLoyaltyLevel { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Quest.cs

@@ -8,7 +8,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record Quest
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     SPT addition - human readable quest name
@@ -141,7 +141,7 @@ public record Quest
 public record QuestStatus
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("qid")]
     public required string QId { get; set; }
@@ -165,7 +165,7 @@ public record QuestStatus
 public record QuestConditionTypes
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Started")]
     public List<QuestCondition>? Started { get; set; }
@@ -186,7 +186,7 @@ public record QuestConditionTypes
 public record QuestCondition
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public required string Id { get; set; }
@@ -327,7 +327,7 @@ public record QuestCondition
 public record QuestConditionCounter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -339,7 +339,7 @@ public record QuestConditionCounter
 public record QuestConditionCounterCondition
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -433,7 +433,7 @@ public record QuestConditionCounterCondition
 public record EnemyHealthEffect
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("bodyParts")]
     public List<string>? BodyParts { get; set; }
@@ -445,7 +445,7 @@ public record EnemyHealthEffect
 public record ValueCompare
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("compareMethod")]
     public string? CompareMethod { get; set; }
@@ -457,7 +457,7 @@ public record ValueCompare
 public record CounterConditionDistance
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("value")]
     public double? Value { get; set; }
@@ -469,7 +469,7 @@ public record CounterConditionDistance
 public record DaytimeCounter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("from")]
     public int? From { get; set; }
@@ -481,7 +481,7 @@ public record DaytimeCounter
 public record VisibilityCondition
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -505,7 +505,7 @@ public record VisibilityCondition
 public record QuestRewards
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("AvailableForStart")]
     public List<Reward>? AvailableForStart { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/RepeatableQuests.cs

@@ -35,7 +35,7 @@ public record RepeatableQuest : Quest
 public record RepeatableQuestDatabase
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("templates")]
     public RepeatableTemplates? Templates { get; set; }
@@ -53,7 +53,7 @@ public record RepeatableQuestDatabase
 public record RepeatableQuestStatus
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -77,7 +77,7 @@ public record RepeatableQuestStatus
 public record RepeatableTemplates
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Elimination")]
     public RepeatableQuest? Elimination { get; set; }
@@ -95,7 +95,7 @@ public record RepeatableTemplates
 public record PmcDataRepeatableQuest
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -132,7 +132,7 @@ public record PmcDataRepeatableQuest
 public record ChangeRequirement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("changeCost")]
     public List<ChangeCost?>? ChangeCost { get; set; }
@@ -144,7 +144,7 @@ public record ChangeRequirement
 public record ChangeCost
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     What item it will take to reset daily
@@ -164,7 +164,7 @@ public record ChangeCost
 public record RewardOptions
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("itemsBlacklist")]
     public List<string>? ItemsBlacklist { get; set; }
@@ -173,7 +173,7 @@ public record RewardOptions
 public record Options
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Completion")]
     public CompletionFilter? Completion { get; set; }
@@ -182,7 +182,7 @@ public record Options
 public record CompletionFilter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("itemsBlacklist")]
     public List<ItemsBlacklist>? ItemsBlacklist { get; set; }
@@ -194,7 +194,7 @@ public record CompletionFilter
 public record ItemsBlacklist
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("minPlayerLevel")]
     public int? MinPlayerLevel { get; set; }
@@ -206,7 +206,7 @@ public record ItemsBlacklist
 public record ItemsWhitelist
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("minPlayerLevel")]
     public int? MinPlayerLevel { get; set; }
@@ -218,7 +218,7 @@ public record ItemsWhitelist
 public record SampleQuests
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Reward.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record Reward
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("value")]
     [JsonConverter(typeof(StringToNumberFactoryConverter))]

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/TemplateItem.cs

@@ -8,7 +8,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common.Tables;
 public record TemplateItem
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private Dictionary<string, bool>? _blocks;
 
@@ -85,7 +85,7 @@ public record TemplateItem
 public record Props
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string _backgroundColor;
 
@@ -1581,7 +1581,7 @@ public record Props
 public record WeaponRecoilSettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Enable")]
     public bool? Enable { get; set; }
@@ -1593,7 +1593,7 @@ public record WeaponRecoilSettings
 public record WeaponRecoilSettingValues
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Enable")]
     public bool? Enable { get; set; }
@@ -1608,7 +1608,7 @@ public record WeaponRecoilSettingValues
 public record WeaponRecoilProcess
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("ComponentType")]
     public string? ComponentType { get; set; }
@@ -1629,7 +1629,7 @@ public record WeaponRecoilProcess
 public record WeaponRecoilTransformationCurve
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Keys")]
     public List<WeaponRecoilTransformationCurveKey>? Keys { get; set; }
@@ -1638,7 +1638,7 @@ public record WeaponRecoilTransformationCurve
 public record WeaponRecoilTransformationCurveKey
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("inTangent")]
     public double? InTangent { get; set; }
@@ -1656,7 +1656,7 @@ public record WeaponRecoilTransformationCurveKey
 public record HealthEffect
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("type")]
     public string? Type { get; set; }
@@ -1668,7 +1668,7 @@ public record HealthEffect
 public record Prefab
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("path")]
     public string? Path { get; set; }
@@ -1680,7 +1680,7 @@ public record Prefab
 public record Grid
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_name")]
     public string? Name { get; set; }
@@ -1701,7 +1701,7 @@ public record Grid
 public record GridProps
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("filters")]
     public List<GridFilter>? Filters { get; set; }
@@ -1728,7 +1728,7 @@ public record GridProps
 public record GridFilter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Filter")]
     public HashSet<string>? Filter { get; set; }
@@ -1743,7 +1743,7 @@ public record GridFilter
 public record Slot
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     private string? _name;
 
@@ -1785,7 +1785,7 @@ public record Slot
 public record SlotProps
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("filters")]
     public List<SlotFilter>? Filters { get; set; }
@@ -1797,7 +1797,7 @@ public record SlotProps
 public record SlotFilter
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Shift")]
     public double? Shift { get; set; }
@@ -1830,7 +1830,7 @@ public record SlotFilter
 public record StackSlot
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_name")]
     public string? Name { get; set; }
@@ -1857,7 +1857,7 @@ public record StackSlot
 public record StackSlotProps
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("filters")]
     public List<SlotFilter>? Filters { get; set; }
@@ -1866,7 +1866,7 @@ public record StackSlotProps
 public record RandomLootSettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("allowToSpawnIdenticalItems")]
     public bool? AllowToSpawnIdenticalItems { get; set; }
@@ -1896,7 +1896,7 @@ public record RandomLootSettings
 public record RandomLootExcluded
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("categoryTemplates")]
     public List<object>? CategoryTemplates { get; set; } // TODO: object here
@@ -1911,7 +1911,7 @@ public record RandomLootExcluded
 public record EffectsHealth
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Energy")]
     public EffectsHealthProps? Energy { get; set; }
@@ -1923,7 +1923,7 @@ public record EffectsHealth
 public record EffectsHealthProps
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("value")]
     public double? Value { get; set; }
@@ -1938,7 +1938,7 @@ public record EffectsHealthProps
 public record EffectsDamage
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Pain")]
     public EffectDamageProps? Pain { get; set; }
@@ -1965,7 +1965,7 @@ public record EffectsDamage
 public record EffectDamageProps
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("value")]
     public double? Value { get; set; }
@@ -1992,7 +1992,7 @@ public record EffectDamageProps
 public record Color
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("r")]
     public double? R { get; set; }
@@ -2010,7 +2010,7 @@ public record Color
 public record ShotsGroupSettings
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("EndShotIndex")]
     public double? EndShotIndex { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/Tables/Trader.cs

@@ -146,6 +146,9 @@ public record ItemBuyData
 
 public record ItemSellData
 {
+    [JsonExtensionData]
+    public Dictionary<string, object>? ExtensionData { get; set; }
+
     [JsonPropertyName("category")]
     public required List<string> Category { get; set; }
 

Libraries/SPTarkov.Server.Core/Models/Eft/Common/XY.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common;
 public record XY
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("x")]
     public double? X { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Common/XYZ.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Common;
 public record XYZ
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("x")]
     public double? X { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Customization/BuyClothingRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Customization;
 public record BuyClothingRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("offer")]
     public string? Offer { get; set; }
@@ -18,7 +18,7 @@ public record BuyClothingRequestData : InventoryBaseActionRequestData
 public record PaymentItemForClothing
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("del")]
     public bool? Del { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Customization/CustomizationSetRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Customization;
 public record CustomizationSetRequest : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("customizations")]
     public List<CustomizationSetOption>? Customizations { get; set; }
@@ -15,7 +15,7 @@ public record CustomizationSetRequest : InventoryBaseActionRequestData
 public record CustomizationSetOption
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Customization/WearClothingRequestData.cs

@@ -5,5 +5,5 @@ namespace SPTarkov.Server.Core.Models.Eft.Customization;
 public record WearClothingRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/AcceptFriendRequestData.cs

@@ -12,7 +12,7 @@ public record DeclineFriendRequestData : BaseFriendRequest { }
 public record BaseFriendRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("profileId")]
     public string? ProfileId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/AddUserGroupMailRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record AddUserGroupMailRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/ChangeGroupMailOwnerRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record ChangeGroupMailOwnerRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/ChatServer.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record ChatServer
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }
@@ -41,7 +41,7 @@ public record ChatServer
 public record Chat
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/ClearMailMessageRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record ClearMailMessageRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/CreateGroupMailRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record CreateGroupMailRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Name")]
     public string? Name { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/DeleteFriendRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record DeleteFriendRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("friend_id")]
     public string? FriendId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/FriendRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record FriendRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("status")]
     public int? Status { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/FriendRequestSendResponse.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record FriendRequestSendResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("status")]
     public BackendErrorCodes? Status { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetAllAttachmentsRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetAllAttachmentsRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetAllAttachmentsResponse.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetAllAttachmentsResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("messages")]
     public List<Message>? Messages { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetChatServerListRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetChatServerListRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("VersionId")]
     public string? VersionId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetFriendListDataResponse.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetFriendListDataResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Friends")]
     public List<UserDialogInfo>? Friends { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetMailDialogInfoRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetMailDialogInfoRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetMailDialogListRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetMailDialogListRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("limit")]
     public int? Limit { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetMailDialogViewRequestData.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetMailDialogViewRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("type")]
     public MessageType? Type { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/GetMailDialogViewResponseData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record GetMailDialogViewResponseData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("messages")]
     public List<Message>? Messages { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/PinDialogRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record PinDialogRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/RemoveDialogRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record RemoveDialogRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/RemoveMailMessageRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record RemoveMailMessageRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/RemoveUserGroupMailRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record RemoveUserGroupMailRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/SendMessageRequest.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record SendMessageRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogId")]
     public string? DialogId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Dialog/SetDialogReadRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Dialog;
 public record SetDialogReadRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("dialogs")]
     public List<string>? Dialogs { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/CheckVersionResponse.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record CheckVersionResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("isvalid")]
     public bool? IsValid { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/CurrentGroupResponse.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record CurrentGroupResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("squad")]
     public List<CurrentGroupSquadMember>? Squad { get; set; }
@@ -15,7 +15,7 @@ public record CurrentGroupResponse
 public record CurrentGroupSquadMember
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }
@@ -36,7 +36,7 @@ public record CurrentGroupSquadMember
 public record CurrentGroupMemberInfo
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Nickname")]
     public string? Nickname { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GameConfigResponse.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GameConfigResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("aid")]
     public double? Aid { get; set; }
@@ -59,7 +59,7 @@ public record GameConfigResponse
 public record PurchasedGames
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("eft")]
     public bool? IsEftPurchased { get; set; }
@@ -71,7 +71,7 @@ public record PurchasedGames
 public record Backend
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Lobby")]
     public string? Lobby { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GameEmptyCrcRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GameEmptyCrcRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("crc")]
     public int? Crc { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GameKeepAliveResponse.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GameKeepAliveResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("msg")]
     public string? Message { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GameLogoutResponseData.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GameLogoutResponseData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("status")]
     public string? Status { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GameModeRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GameModeRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("sessionMode")]
     public string? SessionMode { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GameModeResponse.cs

@@ -11,7 +11,7 @@ public enum SessionMode
 public record GameModeResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("gameMode")]
     public string? GameMode { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GameStartResponse.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GameStartResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("utc_time")]
     public double UtcTime { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GetItemPricesResponse.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GetItemPricesResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("supplyNextTime")]
     public double? SupplyNextTime { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GetRaidTimeRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GetRaidTimeRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Side")]
     public string? Side { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/GetRaidTimeResponse.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record GetRaidTimeResponse
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("NewSurviveTimeSeconds")]
     public double? NewSurviveTimeSeconds { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/SendSurveyOpinionRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record SendSurveyOpinionRequest : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("resultJson")]
     public string? ResultJson { get; set; }
@@ -21,7 +21,7 @@ public record SendSurveyOpinionRequest : IRequestData
 public record SurveyOpinionAnswer
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("questionId")]
     public int? QuestionId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/ServerDetails.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record ServerDetails
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("ip")]
     public string? Ip { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/SurveyResponseData.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record SurveyResponseData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("locale")]
     public Dictionary<string, Dictionary<string, string>>? Locale { get; set; }
@@ -17,7 +17,7 @@ public record SurveyResponseData
 public record Survey
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public int? Id { get; set; }
@@ -41,7 +41,7 @@ public record Survey
 public record WelcomePageData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("titleLocaleKey")]
     public string? TitleLocaleKey { get; set; }
@@ -56,7 +56,7 @@ public record WelcomePageData
 public record FarewellPageData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("textLocaleKey")]
     public string? TextLocaleKey { get; set; }
@@ -65,7 +65,7 @@ public record FarewellPageData
 public record SurveyQuestion
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public int? Id { get; set; }
@@ -92,7 +92,7 @@ public record SurveyQuestion
 public record SurveyAnswer
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public int? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Game/VersionValidateRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Game;
 public record VersionValidateRequestData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("version")]
     public Version? Version { get; set; }
@@ -18,7 +18,7 @@ public record VersionValidateRequestData : IRequestData
 public record Version
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("major")]
     public string? Major { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Health/HealthTreatmentRequestData.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Health;
 public record HealthTreatmentRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("trader")]
     public string? Trader { get; set; }
@@ -29,7 +29,7 @@ public record HealthTreatmentRequestData : InventoryBaseActionRequestData
 public record Difference
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("BodyParts")]
     public BodyParts? BodyParts { get; set; }
@@ -44,7 +44,7 @@ public record Difference
 public record BodyParts
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Head")]
     public BodyPartEffects? Head { get; set; }
@@ -71,7 +71,7 @@ public record BodyParts
 public record BodyPartEffects
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public double Health { get; set; }
 

Libraries/SPTarkov.Server.Core/Models/Eft/Health/OffraidEatRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Health;
 public record OffraidEatRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("item")]
     public string? Item { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Health/OffraidHealRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Health;
 public record OffraidHealRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("item")]
     public string? Item { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Health/SyncHealthRequestData.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Health;
 public record SyncHealthRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Health")]
     public List<BodyPartHealth>? Health { get; set; }
@@ -26,7 +26,7 @@ public record SyncHealthRequestData
 public record BodyPartCollection
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Head")]
     public BodyPartHealth? Head { get; set; }
@@ -53,7 +53,7 @@ public record BodyPartCollection
 public record BodyPartHealth
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Maximum")]
     public int? Maximum { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Health/WorkoutData.cs

@@ -8,7 +8,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Health;
 public class WorkoutData : IRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("skills")]
     public WorkoutSkills? Skills { get; set; }
@@ -17,7 +17,7 @@ public class WorkoutData : IRequestData
 public record WorkoutSkills
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Common")]
     public List<CommonSkill> Common { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HandleQTEEventRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HandleQTEEventRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     true if QTE was successful, otherwise false

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutArea.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutArea
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }
@@ -46,7 +46,7 @@ public record HideoutArea
 public record HideoutAreaRequirement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("areaType")]
     public int? AreaType { get; set; }
@@ -61,7 +61,7 @@ public record HideoutAreaRequirement
 public record Stage
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("autoUpgrade")]
     public bool? AutoUpgrade { get; set; }
@@ -100,7 +100,7 @@ public record Stage
 public record StageImprovement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -118,7 +118,7 @@ public record StageImprovement
 public record StageImprovementBonus
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -145,7 +145,7 @@ public record StageImprovementBonus
 public record StageImprovementRequirement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("count")]
     public int? Count { get; set; }
@@ -169,7 +169,7 @@ public record StageImprovementRequirement
 public record StageRequirement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("areaType")]
     public int? AreaType { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutCircleOfCultistProductionStartRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutCircleOfCultistProductionStartRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("timestamp")]
     public long? Timestamp { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutContinuousProductionStartRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutContinuousProductionStartRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("recipeId")]
     public string? RecipeId { get; set; }
@@ -18,7 +18,7 @@ public record HideoutContinuousProductionStartRequestData : InventoryBaseActionR
 public record HideoutProperties
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     public int? BtcFarmGcs { get; set; }
 

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutCustomisation.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutCustomisation
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("globals")]
     public List<HideoutCustomisationGlobal>? Globals { get; set; }
@@ -18,7 +18,7 @@ public record HideoutCustomisation
 public record HideoutCustomisationGlobal
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }
@@ -45,7 +45,7 @@ public record HideoutCustomisationGlobal
 public record HideoutCustomisationSlot
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutCustomizationApplyRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutCustomizationApplyRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     Id of the newly picked item to apply to hideout

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutCustomizationSetMannequinPoseRequest.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutCustomizationSetMannequinPoseRequest : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("poses")]
     public Dictionary<string, string>? Poses { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutDeleteProductionRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutDeleteProductionRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("recipeId")]
     public string? RecipeId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutImproveAreaRequestData.cs

@@ -8,7 +8,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutImproveAreaRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     /// <summary>
     ///     Hideout area id from areas.json

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutProduction.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutProductionData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("recipes")]
     public List<HideoutProduction>? Recipes { get; set; }
@@ -22,7 +22,7 @@ public record HideoutProductionData
 public record HideoutProduction
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }
@@ -67,7 +67,7 @@ public record HideoutProduction
 public record Requirement
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("templateId")]
     public string? TemplateId { get; set; }
@@ -106,7 +106,7 @@ public record Requirement
 public record ScavRecipe
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }
@@ -124,7 +124,7 @@ public record ScavRecipe
 public record EndProducts
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("Common")]
     public MinMax<int>? Common { get; set; }
@@ -139,7 +139,7 @@ public record EndProducts
 public record CultistRecipe
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("_id")]
     public string? Id { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutPutItemInRequestData.cs

@@ -8,7 +8,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutPutItemInRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("areaType")]
     public HideoutAreas? AreaType { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutScavCaseStartRequestData.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutScavCaseStartRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("recipeId")]
     public string? RecipeId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutSettingsBase.cs

@@ -5,7 +5,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutSettingsBase
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("generatorSpeedWithoutFuel")]
     public double? GeneratorSpeedWithoutFuel { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutSingleProductionStartRequestData.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutSingleProductionStartRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("recipeId")]
     public string? RecipeId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutTakeItemOutRequestData.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutTakeItemOutRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("areaType")]
     public HideoutAreas? AreaType { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutTakeProductionRequestData.cs

@@ -6,7 +6,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutTakeProductionRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("recipeId")]
     public string? RecipeId { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutToggleAreaRequestData.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutToggleAreaRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("areaType")]
     public HideoutAreas? AreaType { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutUpgradeCompleteRequestData.cs

@@ -7,7 +7,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutUpgradeCompleteRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("areaType")]
     public HideoutAreas? AreaType { get; set; }

Libraries/SPTarkov.Server.Core/Models/Eft/Hideout/HideoutUpgradeRequestData.cs

@@ -8,7 +8,7 @@ namespace SPTarkov.Server.Core.Models.Eft.Hideout;
 public record HideoutUpgradeRequestData : InventoryBaseActionRequestData
 {
     [JsonExtensionData]
-    public Dictionary<string, object> ExtensionData { get; set; }
+    public Dictionary<string, object>? ExtensionData { get; set; }
 
     [JsonPropertyName("areaType")]
     public HideoutAreas? AreaType { get; set; }