code: def move(self, category_id, parent_id, after_id=None):
          
          return bool(self.call(
              'catalog_category.move', [category_id, parent_id, after_id])
          )
docs: Move category in tree
  
          :param category_id: ID of category to move
          :param parent_id: New parent of the category
          :param after_id: Category ID after what position it will be moved
          :return: Boolean