async function startTask(req) {

  const {
    params: {
      userId,
    },
  } = req;

  const user = await getUser(userId)
    .catch((e) => {
      throw new Error('A better error');
    });

  const newTask = await createTask({
    userId,
    name: 'Another task',
  })
    .catch((e) => {
      throw new Error('I like this error better than the "createTask" error');
    });

  await sendNotification()
    .catch((e) => {
      throw new Error('Uh oh');
    });

  await sendNotification()
    .catch((e) => {
      throw new Error('Uh oh again!');
    });

  return newTask;
}


function callsStartTask() {

  startTask(req)
    .then(newTask => {

      res.send(newTask)

    })
    .catch((e) => {

      res.status(e.statusCode).send(e.message)

    })

}