Yeah, it's pretty simple – but it's NOT over your head – you just need to know what the relevant puzzle pieces are.
Dissect my example, and you'll know how next time.
This took just a little more doing than I thought it would, because ==there's NOT a File-Attribute condition for the IF-THEN-ELSE action.== So a couple of extra steps were necessary.
@peternlewis – have you thought about adding the above?