def get_parser(self, prog_name):
        parser = super(ShowUser, self).get_parser(prog_name)
        parser.add_argument(
            'user',
            metavar='<user>',
            help='User to display (name or ID)',
        )
        parser.add_argument(
            '--domain',
            metavar='<domain>',
            help='Domain owning <user> (name or ID)',
        )
        return parser