show chunk for admins only?

I’m sure it was asked before, kill me but i can’t find it.
I have a floating menu with wayfinder in it inside a chunk. i want to allow only admins to see the menu chunk.

any switch i can use?


thanks in advance

opppsss...
http://modxcms.com/forums/index.php/topic,4696.msg94678.html#msg94678