Your panel and Apple device must be connected to the same network. 

Open CommBox connect on your CommBox panel where you will find the panels name

For a Mac: 

Click the quick settings tab on your top bar

Click on Screen Mirroring and search for the name of your CommBox. Select the panel, and your laptop will begin to screen share.

For an iPad or iPhone:

Swipe down from the top right-hand corner and select Screen Mirroring and select your CommBox to begin to mirror the iOS device.