The purpose of this exercise is to extend a base method work product using extends variability.
Switch to the Authoring perspective.
Create a new Work Product in the Extends Test Content Package called my_extends_rup_navmap with the presentation name, Extends RUP Navmap.
In the Variability Type select extends and choose the base Work Product rup_navmap.
Add a Brief Description : Extends Navmap Brief Description.
Save and then switch to the Browsing perspective.