code: def engagements(self):
          
          if self._engagements is None:
              self._engagements = EngagementList(self._version, flow_sid=self._solution['sid'], )
          return self._engagements
docs: Access the engagements
  
          :returns: twilio.rest.studio.v1.flow.engagement.EngagementList
          :rtype: twilio.rest.studio.v1.flow.engagement.EngagementList