on rightclick on entity:
    if clicked entity's name is "&7&lKlucznik":
        open chest with 1 row named "&7&lKlucznik" to player
        set slot 3 of player's current inventory to {_i3}
        set {_i1} to tripwire hook named "&E&lZwykly &C&LKlucz"
        set 1nd line of lore of {_i1} to "&7Specjalny Klucz"
        set 2nd line of lore of {_i1} to "&7do specjalnej skrzyni"
        set 3nd line of lore of {_i1} to ""
        set 4nd line of lore of {_i1} to "&a&lCena: 100$"
        set {_i2} to tripwire hook named "&E&lLegendarny &C&LKlucz"
        set 1nd line of lore of {_i2} to "&7Specjalny Klucz"
        set 2nd line of lore of {_i2} to "&7do specjalnej skrzyni"
        set 3nd line of lore of {_i2} to ""
        set 4nd line of lore of {_i2} to "&a&lCena: 1000$"
        set {_i3} to tripwire hook named "&E&lBoski &C&LKlucz"
        set 1nd line of lore of {_i3} to "&7Specjalny Klucz"
        set 2nd line of lore of {_i3} to "&7do specjalnej skrzyni"
        set 3nd line of lore of {_i3} to ""
        set 4nd line of lore of {_i3} to "&a&lCena: 10000$"
on inventory click:
    if inventory name of player's current inventory is "&7&lKlucznik":
        cancel event
        wait 1 tick
        if clicked slot is 3:
            add 1 tripwire hook named "&E&lZwykly &C&LKlucz" to player
            remove 100 from player's balance
        if clicked slot is 4:
            add 1 tripwire hook named "&E&lLegendarny &C&LKlucz" to player
            remove 1000 from player's balance
        if clicked slot is 5:
            add 1 tripwire hook named "&E&lBoski &C&LKlucz" to player
            remove 10000 from player's balance