command /vanish:
    permission: server.admin
    permission message: You haven't permission.
    aliases: /v
    trigger:
        if {%player%.vanish} is not set:
            hide the player from all players
            send "&b[Vanish] &r透明になりました。"
            set {%player%.vanish} to true
        else:
            reveal the player from all players
            send "&b[Vanish] &r見えるようになりました。"
            delete {%player%.vanish}