code: function updateJob(job, meta, callback) {
              if (typeof (meta) === 'function') {
                  callback = meta;
                  meta = {};
              }
  
              if (!jobs[job.uuid]) {
                  return callback(new e.BackendResourceNotFoundError(sprintf(
                    'Job with uuid \'%s\' does not exist', job.uuid)));
              } else {
                  jobs[job.uuid] = clone(job);
                  return callback(null, job);
              }
          }
docs: Update the job while it is running with information regarding progress job - the job object. It'll be saved to the backend with the provided properties. meta - Any additional information to pass to the backend which is not job properties callback - f(err, job) callback will be called with error if something fails, otherwise it'll return the updated job using getJob.