command /sklep:
    trigger:
        wait 1 tick
        set {sklep::%player%} to true
        open chest with 1 rows named "&e&lProfesje" to player
        set player's current inventory's slot 4 to dirt
on inventory click:
    if inventory name of current inventory of player is  "&e&lProfesje":
        if clicked slot is 4:
            if player's balance >= 100:
                remove  100 from player's balance
                send "&aZakupiono dirt!"
                add 1 dirt to player's inventory
            else:
                send "&cNie masz wystarczajaco monet"
on inventory click:
    if {sklep::%player%} is true:
        cancel event
on inventory close:
    if inventory name of current inventory of player is "&e&lProfesje":
        set {sklep::%player%} to false