def insert_at(self, target, position='first-child', save=False,
                  allow_existing_pk=False, refresh_target=True):
        self._tree_manager.insert_node(
            self, target, position, save, allow_existing_pk=allow_existing_pk,
            refresh_target=refresh_target)
Convenience method for calling ``TreeManager.insert_node`` with this
dataset/ETHPy150Open django-mptt/django-mptt/mptt/models.py/MPTTModel.insert_at