if clicked slot is 19:
            if player has permission "efekt.zestaw":
            if player has 6 emerald block:
                remove haste from player
                remove night vision from player
                remove 6 emerald block from player
                apply haste of tier 2 to player for 3 minutes
                apply night vision of tier 1 to player for 3 minutes
                send "&cZakupiono Zestaw!" to player
            else:
                send "&cNie masz 6 bloków Emeraldu!" to player