Mouse click event

I would like to trigger an event with a mouse click (Not on a button) in my python script, but have been unable to turn up the specifics of doing it in my searching.

Can anyone clue me in or show me an example?

Something like:

if (evt == MouseClick):
Exit()

http://jmsoler.free.fr/didacticiel/blender/tutor/cpl_clicsouris.htm

I’m clicking along now :o Thanks much JMS.