diff --git a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
index dc3e09b8f..6f7cba455 100644
--- a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
+++ b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
@@ -1005,6 +1005,8 @@ namespace Flax.Build.Bindings
                             contents.Append("out ");
                         else if (parameterInfo.IsRef)
                             contents.Append("ref ");
+                        else if (parameterInfo.IsThis)
+                            contents.Append("this ");
                         contents.Append(managedType);
                         contents.Append(' ');
                         contents.Append(parameterInfo.Name);
@@ -1064,6 +1066,8 @@ namespace Flax.Build.Bindings
                                 contents.Append("out ");
                             else if (parameterInfo.IsRef)
                                 contents.Append("ref ");
+                            else if (parameterInfo.IsThis)
+                                contents.Append("this ");
                             contents.Append(managedType);
                             contents.Append(' ');
                             contents.Append(parameterInfo.Name);
@@ -1374,6 +1378,8 @@ namespace Flax.Build.Bindings
                         contents.Append("out ");
                     else if (parameterInfo.IsRef)
                         contents.Append("ref ");
+                    else if (parameterInfo.IsThis)
+                        contents.Append("this ");
                     contents.Append(managedType);
                     contents.Append(' ');
                     contents.Append(parameterInfo.Name);
diff --git a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Cache.cs b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Cache.cs
index 0f0b011a0..d1aba9162 100644
--- a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Cache.cs
+++ b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Cache.cs
@@ -19,7 +19,7 @@ namespace Flax.Build.Bindings
     partial class BindingsGenerator
     {
         private static readonly Dictionary<string, Type> TypeCache = new Dictionary<string, Type>();
-        private const int CacheVersion = 17;
+        private const int CacheVersion = 18;
 
         internal static void Write(BinaryWriter writer, string e)
         {
diff --git a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs
index bca9b2d9d..b09b0c137 100644
--- a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs
+++ b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs
@@ -334,6 +334,9 @@ namespace Flax.Build.Bindings
                         case "out":
                             currentParam.IsOut = true;
                             break;
+                        case "this":
+                            currentParam.IsThis = true;
+                            break;
                         case "attributes":
                             currentParam.Attributes = tag.Value;
                             break;
diff --git a/Source/Tools/Flax.Build/Bindings/FunctionInfo.cs b/Source/Tools/Flax.Build/Bindings/FunctionInfo.cs
index efadd193e..69ebe8580 100644
--- a/Source/Tools/Flax.Build/Bindings/FunctionInfo.cs
+++ b/Source/Tools/Flax.Build/Bindings/FunctionInfo.cs
@@ -18,6 +18,7 @@ namespace Flax.Build.Bindings
             public string Attributes;
             public bool IsRef;
             public bool IsOut;
+            public bool IsThis;
 
             public bool HasDefaultValue => !string.IsNullOrEmpty(DefaultValue);
 
@@ -35,6 +36,7 @@ namespace Flax.Build.Bindings
                 // TODO: convert into flags
                 writer.Write(IsRef);
                 writer.Write(IsOut);
+                writer.Write(IsThis);
             }
 
             public void Read(BinaryReader reader)
@@ -46,6 +48,7 @@ namespace Flax.Build.Bindings
                 // TODO: convert into flags
                 IsRef = reader.ReadBoolean();
                 IsOut = reader.ReadBoolean();
+                IsThis = reader.ReadBoolean();
             }
 
             public override string ToString()