code: def fetch(self):
          
          params = values.of({})
  
          payload = self._version.fetch(
              'GET',
              self._uri,
              params=params,
          )
  
          return UserBindingInstance(
              self._version,
              payload,
              service_sid=self._solution['service_sid'],
              user_sid=self._solution['user_sid'],
              sid=self._solution['sid'],
          )
docs: Fetch a UserBindingInstance
  
          :returns: Fetched UserBindingInstance
          :rtype: twilio.rest.chat.v2.service.user.user_binding.UserBindingInstance