how do i get the "!" symbol over units heads?

i need to be able to get the "!" symbol over units heads so ppl now where they can get the quests from .... just like in the blizzard maps ?

please help me

thanx zfear

Its a special effect.

Abilities\Spells\Other\TalkToMe\TalkToMe.mdl

thanx alot man your a life saver

zfear

wow that can prove to be useful, thanks general, gonna use it to :P

It's default if u create a new special effect :p