def fetch(self, task_channel=values.unset):
return self._proxy.fetch(task_channel=task_channel, )<EOL>
Fetch a WorkflowRealTimeStatisticsInstance

:param unicode task_channel: Filter real-time and cumulative statistics by TaskChannel.

:returns: Fetched WorkflowRealTimeStatisticsInstance
:rtype: twilio.rest.taskrouter.v1.workspace.workflow.workflow_real_time_statistics.WorkflowRealTimeStatisticsInstance