index 6254cd23503..166a923b7bf 100644
--- a/x_/x_sfscript.nss
+++ b/x_/x_sfscript.nss
@@ -588,5 +588,8 @@ int GetActionParamValueInt(object oObject, int nAction, int nParam);
 float GetActionParamValueFloat(object oObject, int nAction, int nParam);
 object GetActionParamValueObject(object oObject, int nAction, int nParam);
 string GetActionParamValueString(object oObject, int nAction, int nParam);
 location GetActionParamValueLocation(object oObject, int nAction, int nParam);
 int GetActionInterruptable(object oObject, int nAction);
+void AddAction(object oObject, int nActionType, array aParams, int nActionGroupId=-1);
+void AddActionToFront(object oObject, int nActionType, array aParams, int nActionGroupId=-1);
+void AddActionAfterFront(object oObject, int nActionType, array aParams, int nActionGroupId=-1);
\ No newline at end of file