var HipChatClient = require('hipchat-client');

var hipchat = new HipChatClient('auth_token');

hipchat.api.rooms.message({
  room_id: 'Frontend',
  from: 'HipChat Client',
  message: 'Hello world!'
}, function (err, res) {
  if (err) { throw err; }
  console.log(res);
});