code: def notify_items(**kwargs):
      
      instance = kwargs.get('instance')
      created = kwargs.get('created', False)
      if hasattr(instance, 'send_knock') and active_knocks(instance):
          try:
              # This is a stupid generic interface for multilanguage models (hvad / parler)
              if hasattr(instance, 'get_available_languages'):
                  langs = instance.get_available_languages()
              else:
                  langs = [get_language()]
              for lang in langs:
                  with override(lang):
                      instance.send_knock(created)
              return True
          except AttributeError:  # pragma: no cover
              pass
      return False
docs: Signal endpoint that actually sends knocks whenever an instance is created / saved