code: def notify(self, level, alert, value, target=None, ntype=None, rule=None):
          
  
          LOGGER.info('Notify %s:%s:%s:%s', level, alert, value, target or "")
  
          if ntype is None:
              ntype = alert.source
  
          for handler in self.handlers.get(level, []):
              handler.notify(level, alert, value, target=target, ntype=ntype, rule=rule)
docs: Provide the event to the handlers.