Optional
params: anySee notListItemSelected in actions.js (Defaults to an array of media types, i.e. 'track', 'album', 'playlistentry', ...)
Whether the selected list is NOT media.
actions.myAction = {
title: 'My Action related to a song or other piece of media',
execute: () => {},
disabled: uitools.notMediaListSelected
}
notMediaListSelected
Returns whether the selected list is NOT a list of media.