Hello Guys, I would like add dropdown menu items in my Odoo 9 for organize my differents modules, for example I would like have a "Calendar Modules" menu item with dropdown, and below of this my different calendar modules.

Is this possible in Odoo 9? Thanks!

Edit about my last post:  I'm searching a menu like the "More" menu auto-generated in Odoo when you have a lot of items in the main menu, like this:

https://gyazo.com/80772b1971a311f3bb59f913df59c564 (is a safe photo, don't worry)