on right click on hopper:
    cancel event
    open chest with 6 rows named "ゴミ箱" to player
    loop 1 times:
        set slot {_slot} of player's current inventory to {dustbox::1::%{_slot}%::%player%}
        add 1 to {_slot}

command /dustbox:
    trigger:
        open chest with 6 rows named "ゴミ箱" to player
        loop 1 times:
            set slot {_slot} of player's current inventory to {dustbox::1::%{_slot}%::%player%}
            add 1 to {_slot}