setIcon(<usefulbackpacks:backpack:1>)
setTranslatedTitle("Heavy load")
setTranslatedDescription("Craft Medium Backpack.")

addParent("Age2:Nether")

setShowToast(true)
visibleIf("Age2:root")

addRewardFunction("gregification:Minimap")

criteria = addCriteria("ItemInv", "minecraft:inventory_changed")
criteria.addItem(<usefulbackpacks:backpack:1>)
setPos(360,-99)