Itemy wypadające podczas chodzenia i ich nazwa

on walk on Chiseled Quartz Block:
    add 50 exp to the player
    give 1 stone named "nazwa" to the player's inventory
    give 1 diamond named "nazwa" to the player's inventory
    give 1 gold ingot named "nazwa" to the player's inventory
    give 1 iron ingot named "nazwa" to the player's inventory
    give 1 steak named "nazwa" to the player's inventory
    give 1 coal named "nazwa" to the player's inventory
    give 1 tnt named "nazwa" to the player's inventory
    give 1 cobblestone named "nazwa" to the player's inventory

Czy ja tu coś źle pisze?