I have read a few similar threads, but I don’t couldn’t find this info (and what I hope to be an easy question. I have (successfully) installed cast-web so that I can trigger custom (TTS) messages across my home via Google home mini speakers. I’d like to play a custom mp3. I’ve placed a short mp3 in Dropbox and created a sharable link. I am working to set up a rule that will play the mp3. I am assuming, based on reading, that I should use the “playTrack” command. But I am confused on what the values would be for the Arguments. I have looked for cast-web documentation, but don’t really see where it’s explained.
Any ideas? Here’s what is presented.