By following Grimm's example, I now have a menu called "Grimm" which is equivalent to "More.." However the "Grimm" menu is customized so that it contains only a few applications. I want to be able to get to the "Grimm" Menu from a widget. Just like I can now do with your dbus command.

Your dbus command gets me to the application menu, I want to get to the "Grimm" menu.

Of course the "Grimm" menu is just an example that he created. It could be any menu screen.

I hope that makes sense?