Zabijanie konia

Mam juz gotowy skript

on rightclick:
    if player's tool is iron horse armor:
        if name of player's tool is "&c&l&kI &c&lKsiega Poczatkowego Konia &c&l&kI":
            spawn an adult horse at player
            set {_h} to spawned horse
            set max health of {_h} to 5
            heal {_h}
            tame {_h} to player
            equip {_h} with gold horse armor
            equip {_h} with saddle
            set {_h}'s passenger to player
            remove 1 iron horse armor named "&c&l&kI &c&lKsiega Poczatkowego Konia &c&l&kI" from player's inventory

on vehicle exit:
    kill the loop-entity

 Nie działa zabijanie konia! Ktos pomoze!