code: def do_notify(context, event_type, payload):
      
      LOG.debug('IP_BILL: notifying {}'.format(payload))
  
      notifier = n_rpc.get_notifier('network')
      notifier.info(context, event_type, payload)
docs: Generic Notifier.
  
      Parameters:
          - `context`: session context
          - `event_type`: the event type to report, i.e. ip.usage
          - `payload`: dict containing the payload to send