diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj
index 3a2b88a..7c61d08 100644
--- a/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj
@@ -10,4 +10,7 @@
         <ProjectReference Include="..\Appegy.Union.Generator\Appegy.Union.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
     </ItemGroup>
 
+    <ItemGroup>
+    </ItemGroup>
+
 </Project>
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj.DotSettings b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj.DotSettings
index 671cf2a..983a9ab 100644
--- a/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj.DotSettings
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Appegy.Union.Generator.Shapes.csproj.DotSettings
@@ -1,4 +1,5 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=shapes/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=attributes/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=shapes_005Cattributes/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=shapes_005Cvariants/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Shapes/Attributes/ExposeAttribute.cs b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Shapes/Attributes/ExposeAttribute.cs
new file mode 100644
index 0000000..796324a
--- /dev/null
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Shapes/Attributes/ExposeAttribute.cs
@@ -0,0 +1,15 @@
+using System;
+
+namespace Appegy.Union
+{
+    [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
+    public class ExposeAttribute : Attribute
+    {
+        public Type[] Interfaces { get; }
+
+        public ExposeAttribute(params Type[] interfaces)
+        {
+            Interfaces = interfaces;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Shapes/Attributes/UnionAttribute.cs b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Shapes/Attributes/UnionAttribute.cs
new file mode 100644
index 0000000..50c1eba
--- /dev/null
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator.Shapes/Shapes/Attributes/UnionAttribute.cs
@@ -0,0 +1,15 @@
+using System;
+
+namespace Appegy.Union
+{
+    [AttributeUsage(System.AttributeTargets.Struct | AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
+    public class UnionAttribute : System.Attribute
+    {
+        public System.Type[] Types { get; }
+
+        public UnionAttribute(params System.Type[] types)
+        {
+            Types = types;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator/Attributes/AttributesNames.cs b/Appegy.Union.Generator~/Appegy.Union.Generator/Attributes/AttributesNames.cs
index dbb280f..947bf44 100644
--- a/Appegy.Union.Generator~/Appegy.Union.Generator/Attributes/AttributesNames.cs
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator/Attributes/AttributesNames.cs
@@ -2,6 +2,7 @@
 
 public static class AttributesNames
 {
+    public static readonly string GeneratedCodeAttribute = $@"[global::System.CodeDom.Compiler.GeneratedCodeAttribute(""Appegy.Union"", ""{typeof(AttributesNames).Assembly.GetName().Version}"")]";
     public const string UnionAttributeName = "Appegy.Union.UnionAttribute";
     public const string ExposeAttributeName = "Appegy.Union.ExposeAttribute";
 }
\ No newline at end of file
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator/Attributes/AttributesSource.cs b/Appegy.Union.Generator~/Appegy.Union.Generator/Attributes/AttributesSource.cs
deleted file mode 100644
index b39dfcf..0000000
--- a/Appegy.Union.Generator~/Appegy.Union.Generator/Attributes/AttributesSource.cs
+++ /dev/null
@@ -1,41 +0,0 @@
-using System;
-
-namespace Appegy.Union.Generator;
-
-public static class AttributesSource
-{
-    public static readonly string GeneratedCodeAttribute = $@"[global::System.CodeDom.Compiler.GeneratedCodeAttribute(""Appegy.Union"", ""{typeof(AttributesNames).Assembly.GetName().Version}"")]";
-    public static readonly string UnionAttribute = @$"// <auto-generated/>
-
-namespace Appegy.Union
-{{
-    {GeneratedCodeAttribute}
-    [global::System.AttributeUsageAttribute(global::System.AttributeTargets.Struct, AllowMultiple = false, Inherited = false)]
-    internal class UnionAttribute : global::System.Attribute
-    {{
-        public global::System.Type[] Types {{ get; }}
-
-        public UnionAttribute(params global::System.Type[] types)
-        {{
-            Types = types;
-        }}
-    }}
-}}";
-
-    public static readonly string ExposeAttribute = @$"// <auto-generated/>
-
-namespace Appegy.Union
-{{
-    {GeneratedCodeAttribute}
-    [global::System.AttributeUsageAttribute(global::System.AttributeTargets.Struct, AllowMultiple = false, Inherited = false)]
-    internal class ExposeAttribute : global::System.Attribute
-    {{
-        public global::System.Type[] Interfaces {{ get; }}
-
-        public ExposeAttribute(params global::System.Type[] interfaces)
-        {{
-            Interfaces = interfaces;
-        }}
-    }}
-}}";
-}
\ No newline at end of file
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator/Expose/ExposeAttributeGenerator.cs b/Appegy.Union.Generator~/Appegy.Union.Generator/Expose/ExposeAttributeGenerator.cs
index fa536a2..9693b3c 100644
--- a/Appegy.Union.Generator~/Appegy.Union.Generator/Expose/ExposeAttributeGenerator.cs
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator/Expose/ExposeAttributeGenerator.cs
@@ -8,7 +8,6 @@
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Text;
-using static Appegy.Union.Generator.AttributesSource;
 using static Appegy.Union.Generator.AttributesNames;
 
 namespace Appegy.Union.Generator;
@@ -33,8 +32,6 @@ public class ExposeAttributeGenerator : IIncrementalGenerator
 
     public void Initialize(IncrementalGeneratorInitializationContext context)
     {
-        context.RegisterPostInitializationOutput(c => c.AddSource("ExposeAttribute.g.cs", ExposeAttribute));
-
         var exposeSources = context
             .SyntaxProvider
             .ForAttributeWithMetadataName(
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator/Union/Parts/UnionDeclarationPart.cs b/Appegy.Union.Generator~/Appegy.Union.Generator/Union/Parts/UnionDeclarationPart.cs
index e210117..e22ad2e 100644
--- a/Appegy.Union.Generator~/Appegy.Union.Generator/Union/Parts/UnionDeclarationPart.cs
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator/Union/Parts/UnionDeclarationPart.cs
@@ -8,7 +8,7 @@ public override void Generate(IndentedTextWriter codeWriter, UnionAttributePartI
     {
         var (syntax, types) = input;
 
-        codeWriter.WriteLine(AttributesSource.GeneratedCodeAttribute);
+        codeWriter.WriteLine(AttributesNames.GeneratedCodeAttribute);
         codeWriter.WriteLine("[global::System.Runtime.InteropServices.StructLayout(global::System.Runtime.InteropServices.LayoutKind.Explicit, Pack = 1)]");
         codeWriter.Write("partial struct ");
         codeWriter.WriteLine(syntax.Identifier.Text);
diff --git a/Appegy.Union.Generator~/Appegy.Union.Generator/Union/UnionAttributeGenerator.cs b/Appegy.Union.Generator~/Appegy.Union.Generator/Union/UnionAttributeGenerator.cs
index cb20c0b..9700817 100644
--- a/Appegy.Union.Generator~/Appegy.Union.Generator/Union/UnionAttributeGenerator.cs
+++ b/Appegy.Union.Generator~/Appegy.Union.Generator/Union/UnionAttributeGenerator.cs
@@ -8,7 +8,6 @@
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Text;
-using static Appegy.Union.Generator.AttributesSource;
 using static Appegy.Union.Generator.AttributesNames;
 
 namespace Appegy.Union.Generator;
@@ -37,8 +36,6 @@ public class UnionAttributeGenerator : IIncrementalGenerator
 
     public void Initialize(IncrementalGeneratorInitializationContext context)
     {
-        context.RegisterPostInitializationOutput(c => c.AddSource("UnionAttribute.g.cs", UnionAttribute));
-
         var sources = context
             .SyntaxProvider
             .ForAttributeWithMetadataName(
diff --git a/Runtime/Appegy.Union.Generator.dll b/Runtime/Appegy.Union.Generator.dll
index 07b9fd4..2f522f7 100644
--- a/Runtime/Appegy.Union.Generator.dll
+++ b/Runtime/Appegy.Union.Generator.dll
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:da7c87d3ee08c9d52eece931e67a2ee36172d955a7d5a3eada557d729ba791e0
-size 57344
+oid sha256:d1141df8050ec5086c10e75ac2e0047630095079b1707cbe1e61f6500574e597
+size 55296
diff --git a/Runtime/Appegy.Union.Generator.pdb b/Runtime/Appegy.Union.Generator.pdb
index 0d9df86..a10f83c 100644
Binary files a/Runtime/Appegy.Union.Generator.pdb and b/Runtime/Appegy.Union.Generator.pdb differ
diff --git a/Runtime/Appegy.Union.asmdef b/Runtime/Appegy.Union.asmdef
new file mode 100644
index 0000000..8fa76df
--- /dev/null
+++ b/Runtime/Appegy.Union.asmdef
@@ -0,0 +1,14 @@
+{
+    "name": "Appegy.Union",
+    "rootNamespace": "Appegy.Union",
+    "references": [],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}
\ No newline at end of file
diff --git a/Runtime/Appegy.Union.asmdef.meta b/Runtime/Appegy.Union.asmdef.meta
new file mode 100644
index 0000000..7f25036
--- /dev/null
+++ b/Runtime/Appegy.Union.asmdef.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 0c0693a7b4264386a6dfa0ea92c11448
+timeCreated: 1757152490
\ No newline at end of file
diff --git a/Runtime/ExposeAttribute.cs b/Runtime/ExposeAttribute.cs
new file mode 100644
index 0000000..e84d18c
--- /dev/null
+++ b/Runtime/ExposeAttribute.cs
@@ -0,0 +1,15 @@
+using System;
+
+namespace Appegy.Union
+{
+    [AttributeUsage(AttributeTargets.Struct)]
+    public class ExposeAttribute : Attribute
+    {
+        public Type[] Interfaces { get; }
+
+        public ExposeAttribute(params Type[] interfaces)
+        {
+            Interfaces = interfaces;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Runtime/ExposeAttribute.cs.meta b/Runtime/ExposeAttribute.cs.meta
new file mode 100644
index 0000000..d66b382
--- /dev/null
+++ b/Runtime/ExposeAttribute.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 0bfc42e7906e4a038511fdc42c16c03d
+timeCreated: 1757151831
\ No newline at end of file
diff --git a/Runtime/UnionAttribute.cs b/Runtime/UnionAttribute.cs
new file mode 100644
index 0000000..e7df7b1
--- /dev/null
+++ b/Runtime/UnionAttribute.cs
@@ -0,0 +1,15 @@
+using System;
+
+namespace Appegy.Union
+{
+    [AttributeUsage(AttributeTargets.Struct)]
+    public class UnionAttribute : Attribute
+    {
+        public Type[] Types { get; }
+
+        public UnionAttribute(params Type[] types)
+        {
+            Types = types;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Runtime/UnionAttribute.cs.meta b/Runtime/UnionAttribute.cs.meta
new file mode 100644
index 0000000..35344cc
--- /dev/null
+++ b/Runtime/UnionAttribute.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8a98605af9f4463bbf17236631cf737b
+timeCreated: 1757151816
\ No newline at end of file