The Media Player triggers are tied to the status of the HomeSeer Media Player.
The HomeSeer Media Player plug-in is installed with HomeSeer, but a license must be purchased to use the Media Player. Go to the HomeSeer website for information on purchasing a license.
The Media Player plug-in must have been enabled in the Interfaces Setup screen in order for this trigger type to be available.
Click on the graphic below for more information on this screen.