When should I use a ellipsis in a Menu Item

Question

When should I put ... at the end of a menu item? I seem to remember reading some rules but can\'t for the life of me find them.

For context - I\'m adding a properti

Answer 1

As I understand it it indicates that the option will ask you something else before actually doing anything. The 3 dots are actually called an ellipsis, and if you check out the English use it kind of makes sense:

http://en.wikipedia.org/wiki/Ellipsis

BTW I've noticed OpenOffice breaks this convention sometimes!