Right-click the Add-in Definition node and select Ribbon Tab Definition to add a Ribbon Tab Definition subnode () where you can define a ribbon tab that will be part of the add-in, as an addition to the COMSOL Multiphysics ribbon toolbar. A Ribbon Tab Definition appears for the add-in in the Add-In Libraries window and on the Add-ins menu in the Developer toolbar.

In the Label field, type a suitable label for the add-in ribbon tab.

Select which ribbon tab to use as a Ribbon Tab Definition for the add-in from the Ribbon tab list

The Ribbon Tab Definition node’s Settings window contains the following section:

Here you can write a descriptive text for the ribbon tab in the Description field. The Description appears in the Add-in Library window.