Hello, I would like to match this window attribute in my manage hooks ... _NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_UTILITY ...I tried this in the FadeHook so I can see easily if it matches isInProperty "_NET_WM_WINDOW_TYPE" "_NET_WM_WINDOW_TYPE_UTILITY" --> transparent It seems like it's not working, what am I missing here? Thanks :)