command /vanish:
    permission: sk.admin
    trigger:
        if {v.%player%} is not "false":
            hide the player from all players
            send "&e[&fVanish&e] &aあなたは不可視になりました。"
            set {v.%player%} to "true"
        if {v.%player%} is "true":
            reveal the player from all players
            send "&e[&fVanish&e] &aあなたは可視になりました。"
            set {v.%player%} to "false"