upgrades :

  '1':
    from :
      # 'from.item' is the item that will be upgraded to another item.
      item : APPLE
      # 'from.name' is the name of the item that will be upgraded to another item.
      name : ""
      # How many item should we take if player wants to upgrade their item. (default is 1)
      amount : 1
    to :
      # 'to.item' is the item that will be the upgraded item from a previous item.
      # Use 'oraxen:item_id_here' for custom textured items by Oraxen plugin.
      # Use 'itemsadder:item_id_here' for custom textured items by ItemsAdder plugin.
      # Use 'ecoitems:item_id_here' for custom items by EcoItems plugin.
      item : GOLDEN_APPLE
      # 'to.item' is the new item's name which will be the upgraded from a previous item.
      # %price% and %chance% placeholders can be used in the name and lore section.
      name : "&e&lUpgraded Apple"
      # 'to.lore' is the new item's lore which will be the upgraded from a previous item.
      lore :
       - ""
        - "&7A golden apple that is upgraded"
        - "&7with a chance of %chance%%"
      # The amount of the upgraded item. This option is also optional, by default the value is 1.
      amount : 1
      # The item flags of the upgraded item. By default, item flags are empty.
      # Values: HIDE_ENCHANTS, HIDE_ATTRIBUTES, HIDE_UNBREAKABLE, HIDE_DESTROYS, HIDE_PLACED_ON and HIDE_POTION_EFFECTS
      item-flags : [ ]