Good afternoon, maybe you want to add a menu for the Rich Client?
BMIDE and Rich Client are built on Eclipse RCP as written by Sanjith, so it should work similarly.
In Client Customization Programmer's Guide go to:
Rich client customization -> Basic concepts about rich client customization -> Understanding the Eclipse rich client platform framework -> Adding menus and toolbars
For more information and full examples about how to use the Eclipse declarative approach to menus and
toolbars, see the following links: