def format_commands(self, ctx, formatter):
        """Extra format methods for multi methods that adds all the commands
        after the options.

        Display custom help for all subcommands.
        """
        rows = []

        all_cmds = self.list_all_commands(ctx)
        for cmd_name in sorted(all_cmds):
            cmd = all_cmds[cmd_name]
            help = cmd.short_help or ''
            rows.append((cmd_name, help))

        if rows:
            with formatter.section('Commands'):
                formatter.write_dl(rows)