code: def page(self, log=values.unset, message_date_before=values.unset,
               message_date=values.unset, message_date_after=values.unset,
               page_token=values.unset, page_number=values.unset,
               page_size=values.unset):
          
          params = values.of({
              'Log': log,
              'MessageDate<': serialize.iso8601_date(message_date_before),
              'MessageDate': serialize.iso8601_date(message_date),
              'MessageDate>': serialize.iso8601_date(message_date_after),
              'PageToken': page_token,
              'Page': page_number,
              'PageSize': page_size,
          })
  
          response = self._version.page(
              'GET',
              self._uri,
              params=params,
          )
  
          return NotificationPage(self._version, response, self._solution)
docs: Retrieve a single page of NotificationInstance records from the API.
          Request is executed immediately
  
          :param unicode log: Filter by log level
          :param date message_date_before: Filter by date
          :param date message_date: Filter by date
          :param date message_date_after: Filter by date
          :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 NotificationInstance
          :rtype: twilio.rest.api.v2010.account.call.notification.NotificationPage