code: def page(self, recurring=values.unset, trigger_by=values.unset,
               usage_category=values.unset, page_token=values.unset,
               page_number=values.unset, page_size=values.unset):
          
          params = values.of({
              'Recurring': recurring,
              'TriggerBy': trigger_by,
              'UsageCategory': usage_category,
              'PageToken': page_token,
              'Page': page_number,
              'PageSize': page_size,
          })
  
          response = self._version.page(
              'GET',
              self._uri,
              params=params,
          )
  
          return TriggerPage(self._version, response, self._solution)
docs: Retrieve a single page of TriggerInstance records from the API.
          Request is executed immediately
  
          :param TriggerInstance.Recurring recurring: The frequency of recurring UsageTriggers to read
          :param TriggerInstance.TriggerField trigger_by: The trigger field of the UsageTriggers to read
          :param TriggerInstance.UsageCategory usage_category: The usage category of the UsageTriggers to read
          :param str page_token: PageToken provided by the API
          :param int page_number: Page Number, this value is simply for client state
          :param int page_size: Number of records to return, defaults to 50
  
          :returns: Page of TriggerInstance
          :rtype: twilio.rest.api.v2010.account.usage.trigger.TriggerPage