I’m pretty sure there’s an api where Siri can ask “what’s playing” and iOS knows which app has the audio output currently, so it asks that app, and spotify repl

I’m pretty sure there’s an api where Siri can ask “what’s playing” and iOS knows which app has the audio output currently, so it asks that app, and spotify replies with song name, artist and link (or maybe just link) and then Apple figures out which song that is on their service.