I replied to your other post with the same reply.
All that needs to be done is add the additional commands to your activities.
You can add them to the Touch screen or the hard buttons.
If you want me to guide you through this process please send me a private message with your contact info.
The links below provides instructions on how to change the commands for your Harmony Elite Activities.
Customizing physical buttons on your remote
Customizing buttons on your remote's screen[Link: support.myharmony.com]