def METHOD_NAME(self, request: Request, *args, **kwargs):
    parent_object = self.get_parent_object()
    check_config_perm(
        user=request.user,
        action_type="change",
        model=ContentType.objects.get_for_model(model=parent_object).model,
        obj=parent_object,
    )
    serializer = self.get_serializer(data=request.data)
    serializer.is_valid(raise_exception=True)
    group_config = GroupConfig.objects.METHOD_NAME(
        object_type=ContentType.objects.get_for_model(model=parent_object),
        object_id=parent_object.pk,
        **serializer.validated_data
    )
    return Response(data=self.get_serializer(group_config).data, status=HTTP_201_CREATED)