public static function AddStringPersistentListener(unityEvent:
UnityEventBase,
call: UnityAction<string>,
argument: string):
void;
public static void AddStringPersistentListener(UnityEventBase unityEvent,
UnityAction<string> call,
string argument);
public static
def AddStringPersistentListener(unityEvent as UnityEventBase,
call as UnityAction<string>,
argument as string)
as void