In the Primer presentation templates, you can control all of the footer information from one source of truth.
Footer elements can be updated globally within a presentation from the Variables slide which is located in the layout templates of the presentation format in use. Items that can be controlled are the Username, Presentation Name, and Presentation Note.
Accessing the layout template (Keynote)
To access the layout template you can do one of the following:
Click on View > Edit Master Slides in the menu bar at the top.
Click on Edit Master Slide in the Inspector located on the right-hand side.
Editing the variables
1. Select the Variables slide on the Navigator* located on the left-hand side. *If you do not see this menu, click View > Navigator.
2. Edit the content with your own information. If you'd like to leave a section blank, just add an empty space.
Demo: Editing variables
Any changes to the variables can be seen instantly in both the layout templates and the presentation slides.