How to Use Navigation Addons

Go to Administrator\Navigation. Click New section.

In the Section info:

   Section title: any text
   Parent section: User menu
   Target: addon
   Addon class name: OutputAddon
   Name of passed menu object from module: navAddon

In the Editing options:

   Publish: enabled
   Can view: All roles

In module manager create the menu item objects, see DemoAddon for an example. Assign the objects to $output->navAddon.