exports.handler = async function(context, event, callback) {
  const response = new Twilio.Response();

  const discordPath = Runtime.getFunctions()['common/discord'].path;
  const discord = require(discordPath);

  // user must be in "Doorman" server
  await discord.sendMessageToUser(context, 
    event.discordUser,
    event.msg,
  )
  .catch((e) => console.error(e));

  return callback(null, response);
};