code: def create(self, friendly_name, configuration,
                 assignment_callback_url=values.unset,
                 fallback_assignment_callback_url=values.unset,
                 task_reservation_timeout=values.unset):
          
          data = values.of({
              'FriendlyName': friendly_name,
              'Configuration': configuration,
              'AssignmentCallbackUrl': assignment_callback_url,
              'FallbackAssignmentCallbackUrl': fallback_assignment_callback_url,
              'TaskReservationTimeout': task_reservation_timeout,
          })
  
          payload = self._version.create(
              'POST',
              self._uri,
              data=data,
          )
  
          return WorkflowInstance(self._version, payload, workspace_sid=self._solution['workspace_sid'], )
docs: Create a new WorkflowInstance
  
          :param unicode friendly_name: A string representing a human readable name for this Workflow.
          :param unicode configuration: JSON document configuring the rules for this Workflow.
          :param unicode assignment_callback_url: A valid URL for the application that will process task assignment events.
          :param unicode fallback_assignment_callback_url: If the request to the AssignmentCallbackUrl fails, the assignment callback will be made to this URL.
          :param unicode task_reservation_timeout: An integer value controlling how long in seconds TaskRouter will wait for a confirmation response from your application after assigning a Task to a worker.
  
          :returns: Newly created WorkflowInstance
          :rtype: twilio.rest.taskrouter.v1.workspace.workflow.WorkflowInstance