[xmonad] logHook howto?!

Hi, i'm tweaking hard on my xmonad.hs... I have now a setup I like, xcept for one thing... i'd like to understand how to configure the logHook!!! I want to use the ewmhDesktopsLogHook as well dyamicLog... anyone know how to do that? I attach my xmonad.hs. Thanks's a lot for everyone! XMonad rule!!! Andrea