code: def get(self, sid):
          
          return WebhookContext(self._version, session_sid=self._solution['session_sid'], sid=sid, )
docs: Constructs a WebhookContext
  
          :param sid: A 34 character string that uniquely identifies this resource.
  
          :returns: twilio.rest.messaging.v1.session.webhook.WebhookContext
          :rtype: twilio.rest.messaging.v1.session.webhook.WebhookContext