code: def fetch(self, minutes=values.unset, start_date=values.unset,
                end_date=values.unset, task_queue_sid=values.unset,
                task_queue_name=values.unset, friendly_name=values.unset,
                task_channel=values.unset):
          
          params = values.of({
              'Minutes': minutes,
              'StartDate': serialize.iso8601_datetime(start_date),
              'EndDate': serialize.iso8601_datetime(end_date),
              'TaskQueueSid': task_queue_sid,
              'TaskQueueName': task_queue_name,
              'FriendlyName': friendly_name,
              'TaskChannel': task_channel,
          })
  
          payload = self._version.fetch(
              'GET',
              self._uri,
              params=params,
          )
  
          return WorkersStatisticsInstance(
              self._version,
              payload,
              workspace_sid=self._solution['workspace_sid'],
          )
docs: Fetch a WorkersStatisticsInstance
  
          :param unicode minutes: Filter cumulative statistics by up to 'x' minutes in the past.
          :param datetime start_date: Filter cumulative statistics by a start date.
          :param datetime end_date: Filter cumulative statistics by a end date.
          :param unicode task_queue_sid: Filter the real-time and cumulative statistics based on Workers tied to a particular queue
          :param unicode task_queue_name: Filter the real-time and cumulative statistics based on Workers tied to a particular queue
          :param unicode friendly_name: The friendly_name
          :param unicode task_channel: Filter cumulative statistics by TaskChannel.
  
          :returns: Fetched WorkersStatisticsInstance
          :rtype: twilio.rest.taskrouter.v1.workspace.worker.workers_statistics.WorkersStatisticsInstance