Doesn’t the attributes of your media player show them to you? I don’t know if that’s universal, but it has been for the devices I have when I go to Developer Tools → States:
source_list:
- "App\_Store"
- Arcade
- Audiobooks
- Channels
- classic films
- Computers
- DayView
- Fitness
- Flickr
- Grubhub
- Houzz
- Hulu
- IKEA Catalogue
- Kitchen Stories
- Little Orpheus
- Live Screens
- loupe
- Lowe's TV
- Movies
- Music
- myTuner Radio Free
- Nature Soundscapes
- Nest
- Netflix
- Photos
- Plex
- Podcasts
- Prime Video
- Regal Cinemas
- Satellite
- Scenic TV
- Search
- SecuritySpy
- Settings
- Smithsonian Channel
- Speaker Test
- Speedtest
- Spire Blast
- Star Trek
- Stream
- The Home Depot
- Trailers
- TripAdvisor
- TV
- TV Shows
- Twitch
- Unplug Meditation
- Vimeo
- VLC
- Yoga Studio
- YouTube
- Zillow
icon: bha:apple-tv
friendly_name: Office Apple TV
supported_features: 450487