code: def send_digest_event(self, trigger_id, title, link=''):
          
          if settings.DJANGO_TH.get('digest_event'):
              t = TriggerService.objects.get(id=trigger_id)
  
              if t.provider.duration != 'n':
                  kwargs = {'user': t.user, 'title': title, 'link': link, 'duration': t.provider.duration}
  
                  signals.digest_event.send(sender=t.provider.name, **kwargs)
docs: handling of the signal of digest
          :param trigger_id:
          :param title:
          :param link:
          :return: