Q:

How contribute action to compare with menu in eclipse

I'm trying to contribute an action to the Compare With menu in eclipse, but I can't find the id to use for my action's menuPath.

What is the id for compare with menu? 
How do you find other ids if you want to contribute an action to a menu item?

A:

The menuPath for the "Compare With" is menu:compareWithMenu? Use Plugin Spy to find menu-IDs, it's the Shortcut Shift+Alt+F2

