function firework(l: location)
    set {_efekty} to FireworkEffect.builder()
    {_efekty}.withColor(Color.PURPLE)
    {_efekty}.withColor(Color.BLACK)
    {_efekty}.withColor(Color.RED)
    {_efekty}.with(Type.BALL)
    {_efekty}.withFlicker()
    set {_build} to {_efekty}.build()
    spawn a firework at {_location}
    set {_firework} to last spawned firework
    set {_meta} to {_firework}.getFireworkMeta()
    {_meta}.addEffect({_build})
    {_firework}.setFireworkMeta({_meta})
    {_firework}.detonate()