plecak

command /plecak:
    trigger:
        wait 2 ticks
        open chest with 6 row named "&9&lPlecak" to player
        wait 2 ticks
        loop {przedmiotyplecak::*}:
            set player's current inventory's slot loop-index parsed as integer to loop-value
        stop

on inventory close:
    if "%inventory name of player's current inventory%" is "&9&LPlecak":
        set {_i} to 1
        loop 54 times:
            set {przedmiotyplecak::%{_i}%} to player's current inventory's slot {_i}
            add 1 to {_i}