diff --git a/tests/MyGame/Example/AnyAmbiguousAliases.cs b/tests/MyGame/Example/AnyAmbiguousAliases.cs
index c727b88..07deadc 100644
--- a/tests/MyGame/Example/AnyAmbiguousAliases.cs
+++ b/tests/MyGame/Example/AnyAmbiguousAliases.cs
@@ -5,6 +5,7 @@
 namespace MyGame.Example
 {
 
+[Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
 public enum AnyAmbiguousAliases : byte
 {
   NONE = 0,
@@ -13,5 +14,72 @@
   M3 = 3,
 };
 
+public class AnyAmbiguousAliasesUnion {
+  public AnyAmbiguousAliases Type { get; set; }
+  public object Value { get; set; }
+
+  public AnyAmbiguousAliasesUnion() {
+    this.Type = AnyAmbiguousAliases.NONE;
+    this.Value = null;
+  }
+
+  public T As<T>() where T : class { return this.Value as T; }
+  public MyGame.Example.MonsterT AsM1() { return this.As<MyGame.Example.MonsterT>(); }
+  public MyGame.Example.MonsterT AsM2() { return this.As<MyGame.Example.MonsterT>(); }
+  public MyGame.Example.MonsterT AsM3() { return this.As<MyGame.Example.MonsterT>(); }
+
+  public static int Pack(FlatBuffers.FlatBufferBuilder builder, AnyAmbiguousAliasesUnion _o) {
+    switch (_o.Type) {
+      default: return 0;
+      case AnyAmbiguousAliases.M1: return MyGame.Example.Monster.Pack(builder, _o.AsM1()).Value;
+      case AnyAmbiguousAliases.M2: return MyGame.Example.Monster.Pack(builder, _o.AsM2()).Value;
+      case AnyAmbiguousAliases.M3: return MyGame.Example.Monster.Pack(builder, _o.AsM3()).Value;
+    }
+  }
+}
+
+public class AnyAmbiguousAliasesUnion_JsonConverter : Newtonsoft.Json.JsonConverter {
+  public override bool CanConvert(System.Type objectType) {
+    return objectType == typeof(AnyAmbiguousAliasesUnion) || objectType == typeof(System.Collections.Generic.List<AnyAmbiguousAliasesUnion>);
+  }
+  public override void WriteJson(Newtonsoft.Json.JsonWriter writer, object value, Newtonsoft.Json.JsonSerializer serializer) {
+    var _olist = value as System.Collections.Generic.List<AnyAmbiguousAliasesUnion>;
+    if (_olist != null) {
+      writer.WriteStartArray();
+      foreach (var _o in _olist) { this.WriteJson(writer, _o, serializer); }
+      writer.WriteEndArray();
+    } else {
+      this.WriteJson(writer, value as AnyAmbiguousAliasesUnion, serializer);
+    }
+  }
+  public void WriteJson(Newtonsoft.Json.JsonWriter writer, AnyAmbiguousAliasesUnion _o, Newtonsoft.Json.JsonSerializer serializer) {
+    if (_o == null) return;
+    serializer.Serialize(writer, _o.Value);
+  }
+  public override object ReadJson(Newtonsoft.Json.JsonReader reader, System.Type objectType, object existingValue, Newtonsoft.Json.JsonSerializer serializer) {
+    var _olist = existingValue as System.Collections.Generic.List<AnyAmbiguousAliasesUnion>;
+    if (_olist != null) {
+      for (var _j = 0; _j < _olist.Count; ++_j) {
+        reader.Read();
+        _olist[_j] = this.ReadJson(reader, _olist[_j], serializer);
+      }
+      reader.Read();
+      return _olist;
+    } else {
+      return this.ReadJson(reader, existingValue as AnyAmbiguousAliasesUnion, serializer);
+    }
+  }
+  public AnyAmbiguousAliasesUnion ReadJson(Newtonsoft.Json.JsonReader reader, AnyAmbiguousAliasesUnion _o, Newtonsoft.Json.JsonSerializer serializer) {
+    if (_o == null) return null;
+    switch (_o.Type) {
+      default: break;
+      case AnyAmbiguousAliases.M1: _o.Value = serializer.Deserialize<MyGame.Example.MonsterT>(reader); break;
+      case AnyAmbiguousAliases.M2: _o.Value = serializer.Deserialize<MyGame.Example.MonsterT>(reader); break;
+      case AnyAmbiguousAliases.M3: _o.Value = serializer.Deserialize<MyGame.Example.MonsterT>(reader); break;
+    }
+    return _o;
+  }
+}
+
 
 }