diff --git a/cpp-class-member.js b/cpp-class-member.js
index 203d985..22c7338 100644
--- a/cpp-class-member.js
+++ b/cpp-class-member.js
@@ -10,6 +10,7 @@ class CppClassMember
   isMethod  = false;
   isVirtual = false;
   isStatic  = false;
+  isSignal  = false;
   type = "void";
   parameters = [];
 
@@ -36,6 +37,11 @@ class CppClassMember
         this.isStatic = true;
       }
 
+      if ( "signal" === names[ i ] )
+      {
+        this.isSignal = true;
+      }
+
     }
 
     if ( this.isMethod )
@@ -83,7 +89,24 @@ class CppClassMember
 
   getMethodBinding( className )
   {
-    if ( this.isVirtual )
+    if ( this.isSignal )
+    {  
+      //ADD_SIGNAL(MethodInfo("session_supported", PropertyInfo(Variant::STRING, "session_mode"), PropertyInfo(Variant::BOOL, "supported")));
+      let parameterInfos = "";
+
+      for ( let i = 0; i < this.parameters.length; i++ )
+      {
+        let type = stringToVariantType( this.parameters[ i ].type );
+        let name = this.parameters[ i ].name;
+
+        let pi = `, PropertyInfo(Variant::${type}, "${name}")`;
+        
+        parameterInfos += pi;
+      }
+
+      return `ADD_SIGNAL (MethodInfo( "${this.name}" ${parameterInfos}) );`;
+    }
+    else if ( this.isVirtual )
     {
       return `GDVIRTUAL_BIND( ${this.name} );`;
     }
@@ -95,7 +118,11 @@ class CppClassMember
 
   getHeaderDefinition()
   {
-    if ( this.isMethod )
+    if ( this.isSignal )
+    {
+      return `/* signal ${this.name} */`;
+    }
+    else if ( this.isMethod )
     {
       return this.getMethodHeaderDefinition();
     }
@@ -143,4 +170,57 @@ module.exports =
 {
   CppParameter,
   CppClassMember  
+}
+
+
+function stringToVariantType( stringType )
+{
+  switch( stringType )
+  {
+    case "bool": return "BOOL";
+    case "int": return "INT";
+    case "float": return "FLOAT";
+    case "String": return "STRING";
+
+    // Math types.
+    case "Vector2": return "VECTOR2";
+    case "Vector2i": return "VECTOR2I";
+    case "Rect2": return "RECT2";
+    case "Rect2i": return "RECT2I";
+    case "Transform2D": return "TRANSFORM2D";
+    case "Vector3": return "VECTOR3";
+    case "Vector3i": return "VECTOR3I";
+    case "Vector4": return "VECTOR4";
+    case "Vector4i": return "VECTOR4I";
+    case "Plane": return "PLANE";
+    case "AABB": return "AABB";
+    case "Quaternion": return "QUATERNION";
+    case "Basis": return "BASIS";
+    case "Transform3D": return "TRANSFORM3D";
+    case "Projection": return "PROJECTION";
+
+    // Miscellaneous types.
+    case "Color": return "COLOR";
+    case "RID": return "RID";
+    case "Object": return "OBJECT";
+    case "Callable": return "CALLABLE";
+    case "Signal": return "SIGNAL";
+    case "StringName": return "STRING_NAME";
+    case "NodePath": return "NODE_PATH";
+    case "Dictionary": return "DICTIONARY";
+    case "Array": return "ARRAY";
+
+    // Arrays.
+    case "PackedByteArray": return "PACKED_BYTE_ARRAY";
+    case "PackedInt32Array": return "PACKED_INT32_ARRAY";
+    case "PackedInt64Array": return "PACKED_INT64_ARRAY";
+    case "PackedFloat32Array": return "PACKED_FLOAT32_ARRAY";
+    case "PackedFloat64Array": return "PACKED_FLOAT64_ARRAY";
+    case "PackedStringArray": return "PACKED_STRING_ARRAY";
+    case "PackedVector2Array": return "PACKED_VECTOR2_ARRAY";
+    case "PackedVector3Array": return "PACKED_VECTOR3_ARRAY";
+    case "PackedColorArray": return "PACKED_COLOR_ARRAY";
+  }
+
+  return null;
 }
\ No newline at end of file
diff --git a/create-cpp.js b/create-cpp.js
index 16ef88a..a2d9a29 100644
--- a/create-cpp.js
+++ b/create-cpp.js
@@ -3,7 +3,7 @@ const path = require( "path" );
 const { loadJSON, getFiles, saveUTF8, getMatches, loadUTF8, insertText } = require( "./library.js" ); 
 const { CppClassMember } = require( "./cpp-class-member.js" ); 
 
-function createCppHeader( className, extendingClassName, headerDefine, protectedMembers, publicMembers )
+function createCppHeader( className, extendingClassName, headerDefine, protectedMembers, publicMembers, includes )
 {
 
 let cppHeader = 
@@ -14,6 +14,7 @@ let cppHeader =
 #ifndef ${headerDefine}
 #define ${headerDefine}
 
+${includes}
 #include "./${extendingClassName}.h"
 
 
@@ -92,6 +93,8 @@ function createIncludes( className )
 async function main()
 {
   let files = await getFiles( definitionsPath );
+  files = files.filter( f => ! f.startsWith( "_" ) );
+  
   let typesFile = await loadUTF8( registerTypesPath );
 
   let types = getRegistratedTypes( typesFile );
@@ -185,7 +188,7 @@ function getHeaderDefine( className )
 
   className = output.join( "" );
 
-  return "ROKOJORI_CORE__" + className + "_H";
+  return "ROKOJORI__" + className + "_H";
 }
 
 function getRegistratedTypes( text )
@@ -209,7 +212,11 @@ async function createCppFiles( definitionPath, types, missingTypes )
 {
   console.log( "Creating: ", definitionPath );
 
-  let data = await loadJSON( path.join( definitionsPath, definitionPath ) );
+  let jsonPath = path.join( definitionsPath, definitionPath );
+
+  let data = await loadJSON( jsonPath );
+
+  //console.log( "data:", jsonPath, data );
 
   let classNameResult = /(\w+)(?:\:(\w+))?/.exec( data.class );
 
@@ -229,7 +236,14 @@ async function createCppFiles( definitionPath, types, missingTypes )
 
   let bindings = protectedBindings.concat( publicBindings ).join( "\n  " );
 
-  let header = createCppHeader( className, extendingClass, headerDefine, protectedHeader, publicHeader );
+  let includes = "";
+
+  if ( data.includes )
+  {
+    includes = data.includes.map( inc => `#include "${inc}"` );
+  }
+
+  let header = createCppHeader( className, extendingClass, headerDefine, protectedHeader, publicHeader, includes );
   let implementation = createCppImplementation( className, bindings );
 
   //console.log( header );
diff --git a/rokojori-action-library b/rokojori-action-library
index 26aea1a..d6b9687 160000
--- a/rokojori-action-library
+++ b/rokojori-action-library
@@ -1 +1 @@
-Subproject commit 26aea1a20d5bc2e35486517e2849b02f3b5d585b
+Subproject commit d6b968703d75749c4f7ded3abe5ec9beba97ae8d
diff --git a/rokojori-action-library-definitions/RJSequenceAction.json b/rokojori-action-library-definitions/RJSequenceAction.json
deleted file mode 100644
index d098989..0000000
--- a/rokojori-action-library-definitions/RJSequenceAction.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "class":"RJSequenceAction:RJAction",
-
-  "public":
-  {
-    "virtual dispatchStartEvent()":{},
-    "virtual dispatchCancelEvent()":{},
-    "virtual dispatchEndEvent()":{}
-  }
-}
\ No newline at end of file
diff --git a/rokojori-action-library-definitions/_RJSequenceAction.json b/rokojori-action-library-definitions/_RJSequenceAction.json
new file mode 100644
index 0000000..1684aed
--- /dev/null
+++ b/rokojori-action-library-definitions/_RJSequenceAction.json
@@ -0,0 +1,11 @@
+{
+  "class":"RJSequenceAction:RJActions",
+
+  "public":
+  { 
+    "virtual dispatchStart()"          : { "type":"int" },
+    "virtual dispatchCancel()"         : { "parameters":[ { "id":"int" } ] },
+    "virtual dispatchEnd()"            : { "parameters":[ { "id":"int" } ] },
+    "signal onSequenceDone()"   : { "parameters":[ { "id":"int" } ] }
+  }
+}
\ No newline at end of file