command /rename [<text>]:
    permission:item.rename
    permission message: &cあなたにこの権限はないぜ！
    trigger:
        if player is holding air:
            broadcast "&eアイテム持ってねーじゃんｗｗ"
            stop
        else:
            if arg 1 is set:
                set the name of player's tool to "%colored arg 1%"
                broadcast "&aアイテムの名前を変更したぜ！"
                stop
            if arg 1 is not set:
                broadcast "&e文字打たれてないぞー"
                stop