diff --git a/Assets/NaughtyAttributes/Samples/DemoScene/DemoScene.unity b/Assets/NaughtyAttributes/Samples/DemoScene/DemoScene.unity
index 3c134139..d90fd912 100644
--- a/Assets/NaughtyAttributes/Samples/DemoScene/DemoScene.unity
+++ b/Assets/NaughtyAttributes/Samples/DemoScene/DemoScene.unity
@@ -38,7 +38,7 @@ RenderSettings:
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   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0.44657874, g: 0.49641258, b: 0.5748172, a: 1}
+  m_IndirectSpecularColor: {r: 0.18028378, g: 0.22571412, b: 0.30692285, a: 1}
   m_UseRadianceAmbientProbe: 0
 --- !u!157 &3
 LightmapSettings:
@@ -98,8 +98,7 @@ LightmapSettings:
     m_TrainingDataDestination: TrainingData
     m_LightProbeSampleCountMultiplier: 4
   m_LightingDataAsset: {fileID: 0}
-  m_LightingSettings: {fileID: 4890085278179872738, guid: 98ee975b74776234986f4d35f14c4ccc,
-    type: 2}
+  m_LightingSettings: {fileID: 4890085278179872738, guid: 98ee975b74776234986f4d35f14c4ccc, type: 2}
 --- !u!196 &4
 NavMeshSettings:
   serializedVersion: 2
@@ -150,6 +149,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 0
@@ -182,9 +182,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 24
+  m_RootOrder: 25
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &114650325
 MonoBehaviour:
@@ -295,6 +296,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 9
@@ -343,9 +345,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 28
+  m_RootOrder: 29
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &237121642
 MonoBehaviour:
@@ -391,9 +394,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 31
+  m_RootOrder: 32
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &369789278
 MonoBehaviour:
@@ -439,9 +443,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 23
+  m_RootOrder: 24
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &572382751
 MonoBehaviour:
@@ -492,6 +497,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 11
@@ -540,6 +546,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 0}
   m_RootOrder: 2
@@ -582,9 +589,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 21
+  m_RootOrder: 22
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1 &779670086
 GameObject:
@@ -613,6 +621,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 4
@@ -634,6 +643,57 @@ MonoBehaviour:
     stringValue: A
     nest2:
       vectorValue: {x: 1, y: 0, z: 0}
+--- !u!1 &855157609
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
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+  - component: {fileID: 855157611}
+  m_Layer: 0
+  m_Name: Type
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &855157610
+Transform:
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 855157609}
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+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children: []
+  m_Father: {fileID: 1148579784}
+  m_RootOrder: 21
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!114 &855157611
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 855157609}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 90bebd76d1525c04686583e7f6475250, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  WaitForGenerate:
+  - NaughtyAttributes.TypeTest+A
+  - NaughtyAttributes.TypeTest+B
+  - NaughtyAttributes.TypeTest+A+B
+  - NaughtyAttributes.TypeTest+C
+  - C
+  type: 0
 --- !u!1 &892661554
 GameObject:
   m_ObjectHideFlags: 0
@@ -661,6 +721,7 @@ Transform:
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 15
@@ -709,6 +770,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 16
@@ -732,8 +794,7 @@ MonoBehaviour:
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     nest2:
       sprite2: {fileID: 21300000, guid: 005888ede18a58e4db8d069cfa3007cb, type: 3}
-      prefab2: {fileID: 1981131855061102, guid: 7ec354ef3daae7641b7a3fa5e1fe0c81,
-        type: 3}
+      prefab2: {fileID: 1981131855061102, guid: 7ec354ef3daae7641b7a3fa5e1fe0c81, type: 3}
 --- !u!1 &948946033
 GameObject:
   m_ObjectHideFlags: 0
@@ -761,6 +822,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 12
@@ -811,6 +873,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 10
@@ -862,6 +925,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 7
@@ -909,6 +973,7 @@ Transform:
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children:
   - {fileID: 106181863}
   - {fileID: 1178133860}
@@ -931,6 +996,7 @@ Transform:
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   - {fileID: 1609261820}
   - {fileID: 1380469385}
+  - {fileID: 855157610}
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   - {fileID: 1784643785}
   - {fileID: 572382749}
@@ -974,6 +1040,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 1
@@ -1003,7 +1070,7 @@ MonoBehaviour:
       name1: Trigger0
 --- !u!95 &1178133862
 Animator:
-  serializedVersion: 3
+  serializedVersion: 4
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
@@ -1016,6 +1083,7 @@ Animator:
   m_UpdateMode: 0
   m_ApplyRootMotion: 0
   m_LinearVelocityBlending: 0
+  m_StabilizeFeet: 0
   m_WarningMessage: 
   m_HasTransformHierarchy: 1
   m_AllowConstantClipSamplingOptimization: 1
@@ -1047,6 +1115,7 @@ Transform:
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 18
@@ -1090,6 +1159,7 @@ Transform:
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 14
@@ -1162,9 +1232,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 26
+  m_RootOrder: 27
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &1293624597
 MonoBehaviour:
@@ -1210,6 +1281,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 20
@@ -1320,6 +1392,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 3, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
   m_RootOrder: 1
@@ -1351,9 +1424,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 32
+  m_RootOrder: 33
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &1463483879
 MonoBehaviour:
@@ -1404,9 +1478,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 25
+  m_RootOrder: 26
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &1524906392
 MonoBehaviour:
@@ -1517,6 +1592,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
   m_RootOrder: 8
@@ -1626,6 +1702,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 1, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 0}
   m_RootOrder: 0
@@ -1657,6 +1734,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 1148579784}
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@@ -1708,6 +1786,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 1148579784}
   m_RootOrder: 6
@@ -1756,9 +1835,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 29
+  m_RootOrder: 30
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 GameObject:
@@ -1787,9 +1867,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
-  m_RootOrder: 30
+  m_RootOrder: 31
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &1706612703
 MonoBehaviour:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 1148579784}
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@@ -1923,9 +2005,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 1148579784}
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+  m_RootOrder: 23
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 MonoBehaviour:
@@ -1976,9 +2059,10 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 1148579784}
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+  m_RootOrder: 28
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 1148579784}
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@@ -2067,6 +2152,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 1148579784}
   m_RootOrder: 5
@@ -2115,6 +2201,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
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+  m_ConstrainProportionsScale: 0
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   m_Father: {fileID: 1148579784}
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@@ -2159,6 +2246,7 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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   m_RootOrder: 3
diff --git a/Assets/NaughtyAttributes/Scripts/Core/DrawerAttributes/TypeAttribute.cs b/Assets/NaughtyAttributes/Scripts/Core/DrawerAttributes/TypeAttribute.cs
new file mode 100644
index 00000000..baaed385
--- /dev/null
+++ b/Assets/NaughtyAttributes/Scripts/Core/DrawerAttributes/TypeAttribute.cs
@@ -0,0 +1,14 @@
+using System;
+
+namespace NaughtyAttributes
+{
+    [AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = true)]
+    public class TypeAttribute : DrawerAttribute
+    {
+        public Type[] types;
+        public TypeAttribute(params Type[] types)
+        {
+            this.types = types;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/NaughtyAttributes/Scripts/Core/DrawerAttributes/TypeAttribute.cs.meta b/Assets/NaughtyAttributes/Scripts/Core/DrawerAttributes/TypeAttribute.cs.meta
new file mode 100644
index 00000000..4b9773df
--- /dev/null
+++ b/Assets/NaughtyAttributes/Scripts/Core/DrawerAttributes/TypeAttribute.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fa9d78bac58d5ea439a23b522e1338fc
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/NaughtyAttributes/Scripts/Editor/PropertyDrawers/TypePropertyDrawer.cs b/Assets/NaughtyAttributes/Scripts/Editor/PropertyDrawers/TypePropertyDrawer.cs
new file mode 100644
index 00000000..5ab7efa6
--- /dev/null
+++ b/Assets/NaughtyAttributes/Scripts/Editor/PropertyDrawers/TypePropertyDrawer.cs
@@ -0,0 +1,30 @@
+using UnityEngine;
+using UnityEditor;
+using System.Linq;
+using System;
+
+namespace NaughtyAttributes.Editor
+{
+    [CustomPropertyDrawer(typeof(TypeAttribute))]
+    public class TypeAttributePropertyDrawer : PropertyDrawerBase
+    {
+        protected override void OnGUI_Internal(Rect rect, SerializedProperty property, GUIContent label)
+        {
+            if (attribute is TypeAttribute attr && property.type == "string")
+            {
+                GUIContent[] TypeNames = attr.types.Select(type => new GUIContent(type.FullName)).ToArray();
+                int index = Array.FindIndex(attr.types, type => type.FullName == property.stringValue);
+                index = EditorGUI.Popup(rect, label, index, TypeNames);
+                if (index >= 0)
+                {
+                    property.stringValue = attr.types[index].FullName;
+                }
+
+            }else{
+                string message = string.Format("{0} supports only string fields", typeof(TypeAttribute).Name);
+                EditorGUI.LabelField(rect, label, new GUIContent(message));
+
+            }
+        }
+    }
+}
diff --git a/Assets/NaughtyAttributes/Scripts/Editor/PropertyDrawers/TypePropertyDrawer.cs.meta b/Assets/NaughtyAttributes/Scripts/Editor/PropertyDrawers/TypePropertyDrawer.cs.meta
new file mode 100644
index 00000000..fd7e7fd6
--- /dev/null
+++ b/Assets/NaughtyAttributes/Scripts/Editor/PropertyDrawers/TypePropertyDrawer.cs.meta
@@ -0,0 +1,11 @@
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diff --git a/Assets/NaughtyAttributes/Scripts/Test/TypeTest.cs b/Assets/NaughtyAttributes/Scripts/Test/TypeTest.cs
new file mode 100644
index 00000000..42410b5d
--- /dev/null
+++ b/Assets/NaughtyAttributes/Scripts/Test/TypeTest.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+namespace NaughtyAttributes
+{
+    public class TypeTest : MonoBehaviour
+    {
+        [Type(typeof(A), typeof(B), typeof(A.B), typeof(C), typeof(global::C))]
+        public List<string> WaitForGenerate;
+
+        [Button]
+        void Generate()
+        {
+            foreach (var typeName in WaitForGenerate)
+            {
+                Type type = Type.GetType(typeName);
+                object obj = Activator.CreateInstance(type);
+                Debug.Log(obj);
+            }
+        }
+
+        [Type(typeof(MonoBehaviour), typeof(ScriptableObject))]
+        public int type;
+
+        public class A
+        {
+            public int a;
+            public class B
+            {
+            }
+        }
+
+        public class B
+        {
+            public int b;
+        }
+        public class C
+        {
+            public int c;
+        }
+
+        
+    }
+
+}
+
+public class C
+{
+    public int c;
+}
\ No newline at end of file
diff --git a/Assets/NaughtyAttributes/Scripts/Test/TypeTest.cs.meta b/Assets/NaughtyAttributes/Scripts/Test/TypeTest.cs.meta
new file mode 100644
index 00000000..e3d950d8
--- /dev/null
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@@ -0,0 +1,11 @@
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