minecraft:item_upgrade

Uses an item for the item's tooltip and displays it as an item transformation.

Fields

Name	Description	Type	Default Value
`item`	The item to use.	An item
`translation_key_id`	The id to use for the title, applies to and ingredients text.	A resource location

{
  "type": "minecraft:item_upgrade",
  "item": "minecraft:netherite_ingot",
  "translation_key_id": "minecraft:netherite_upgrade"
}