Cool custom shimmer sound thing

Game.LoadMod("https://unpkg.com/cppkies@0.2")
if(!window.CPPKIES_ONLOAD) CPPKIES_ONLOAD = []
CPPKIES_ONLOAD.push(()=> {
    // Assert
    if(window.CustomChimeSound) return
    window.CustomChimeSound  = {
        playSound: () => {
            PlaySound(CustomChimeSound.soundURL)
        },
        soundURL: ""
    }
    Game.shimmerTypes.golden.initFunc = Cppkies.injectCode(Game.shimmerTypes.golden.initFunc, null, "if (!this.spawned && Game.chimeType === 2 && Game.ascensionMode !== 1) CustomChimeSound.playSound()", "before").bind(Game.shimmerTypes.golden)
    Game.Upgrades["Golden cookie sound selector"].choicesFunction = Cppkies.injectCode(Game.Upgrades["Golden cookie sound selector"].choicesFunction, "choices[1]={name:'Chime',icon:[22,6]};", "\nchoices[2] = {name: 'Custom', icon: [1, 7]}", "after")
    Game.Upgrades["Golden cookie sound selector"].choicesPick = Cppkies.injectCode(Game.Upgrades["Golden cookie sound selector"].choicesPick, null, "\nif(id === 2) CustomChimeSound.soundURL = prompt('Pick the URL to use!', CustomChimeSound.soundURL)", "after")
})