Movies --- Campaign Buttons

[Peled]

Just Got few Rare and short Clips For Our IsraeliTheatre Update Project.....I'm planning to use them for some Triggers ...That will not be a Problem useing the "Play MovieXXX #" Command......---BUT----How should I activate a Movie For The Campaign Buttons?...I Mean, when clicking a Campaign Button...i want the clip "Play-On", and then ...when clicking again on the Button----you should access into The Campaign ....

.....What Command should i use for that?...