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