const $SandPaperItem = Java.loadClass('com.simibudi.create.content.curiosities.tools.SandPaperItem')
const $ItemProperties = Java.loadClass('net.minecraft.world.item.Item$Properties')
event.custom('diamond_sandpaper', new $SandPaperItem(new $ItemProperties().defaultDurability(2000)))
The above script for adding a custom sandpaper doesn’t work