youtube-cast-example.js

// Platypush user script to play the current URL
// on the Chromecast if it is a YouTube URL.
async (app, args) => {
  const url = await app.getURL();
  if (!url.startsWith('https://www.youtube.com/watch?v=')) {
    return;
  }

  const response = await app.run({
    action: 'media.chromecast.play',
    args: {
      resource: url,
    },
  }, args.host);

  if (response.success) {
    app.notify('YouTube video now playing on Chromecast');
  }
}