code: def document_func_view(serializer_class=None,
                         response_serializer_class=None,
                         filter_backends=None,
                         permission_classes=None,
                         authentication_classes=None,
                         doc_format_args=list(),
                         doc_format_kwargs=dict()):
      
      def decorator(func):
          if serializer_class:
              func.cls.serializer_class = func.view_class.serializer_class = serializer_class
          if response_serializer_class:
              func.cls.response_serializer_class = func.view_class.response_serializer_class = response_serializer_class
          if filter_backends:
              func.cls.filter_backends = func.view_class.filter_backends = filter_backends
          if permission_classes:
              func.cls.permission_classes = func.view_class.permission_classes = permission_classes
          if authentication_classes:
              func.cls.authentication_classes = func.view_class.authentication_classes = authentication_classes
          if doc_format_args or doc_format_kwargs:
              func.cls.__doc__ = func.view_class.__doc__ = getdoc(func).format(*doc_format_args, **doc_format_kwargs)
          return func
  
      return decorator
docs: Decorator to make functional view documentable via drf-autodocs