on break cobblestone:
    player is holding any pickaxe:
        chance of 0.3%:
            player has enough space for 1 gold ingot:
                give player 1 gold ingot named "Nazwa itemu"
                send "&6GRATULACJE! &r zdobyles/as &bZLOTO" to player
            else:
                drop 1 gold ingot named "Nazwa itemu" at position of event-block
                send "&6GRATULACJE! &r zdobyles/as &bZLOTO &cUwaga! &rTwoje &beq jest zapelnione." to player