code: def register(cls, parser, name=None):
          
          help_title, help_body = utils.parse_docstring(cls)
          command_parser = parser.subparsers.add_parser(
              cls.name() if name is None else name, help=help_title,
              description=help_title, epilog=help_body, add_help=False,
              formatter_class=HelpFormatter)
          command_parser.add_argument(
              "-h", "--help", action=PagedHelpAction, help=argparse.SUPPRESS)
          command_parser.set_defaults(execute=cls(command_parser))
          return command_parser
docs: Register this command as a sub-parser of `parser`.
  
          :type parser: An instance of `ArgumentParser`.
          :return: The sub-parser created.