botSnippet04.js

// a bot can listen for text it's not mentioned in
// by passing 'ambient' as the second parameter
hears(['accept'], 'ambient', (bot, message) => { 
  const { channel } = message;

  channels.get(channel, (err, data) => {
    if (err) throw err;

    if (data && 'players' in data) {
      // game has started !
    }
  });
});