code: func (c *Client) PutJob(job *ct.Job) error {
  	if job.UUID == "" || job.AppID == "" {
  		return errors.New("controller: missing job uuid and/or app id")
  	}
  	return c.Put(fmt.Sprintf("/apps/%s/jobs/%s", job.AppID, job.UUID), job, job)
  }
docs: // PutJob updates an existing job.