index 2b21d4d0bfb..e3f25069857 100644
--- a/x_/x_sfscript.nss
+++ b/x_/x_sfscript.nss
@@ -579,5 +579,6 @@ void PrintToStdErr(string sPrint);
 void PrintToStdOut(string sPrint);
 int IsOnSinfarWorld();
 void PrepareToDestroy(object oObject);
 int GetScriptExecuteStackSize();
 int GetScriptNameByExecuteIndex(int nExecuteIndex);
+int GetActionGroupId(object oObject, int nAction);