Notification Log Console: Filter Builder question

I'd like to be able to filter out (or filter in) a pair of attribues.  For example, I'd like to filter out...

Class=Interface

AND

Event=HighUtilization

I don't seem to know how to populate the Filter Builder so that these attributes are filtered when they are a pair.  The documentation doesn't seem to say how to do this.

Can anyone help?

Gary