onEvent('recipes', event => {
  
   event.remove({ output: 'ars_nouveau:arcane_core'})
   event.custom(
   {
  "type": "ars_nouveau:enchanting_apparatus",
  "item_1": [
    {
      "item": "minecraft:diamond"
    }
  ],
  "item_2": [
    {
      "item": "minecraft:diamond"
    }
  ],
  "item_3": [
    {
      "item": "ars_nouveau:glyph_self"
    }
  ],
  "item_4": [
    {
      "item": "ars_nouveau:glyph_fell"
    }
  ],
  "item_5": [
    {
      "item": "minecraft:diamond"
    }
  ],
  "item_6": [
    {
      "item": "extendedcrafting:black_iron_slate"
    }
  ],
  "item_7": [
    {
      "item": "extendedcrafting:black_iron_slate"
    }
  ],
  "item_8": [
    {
      "tag": "forge:ingots/gold"
    }
  ],
  "reagent": [
    {
      "item": "create:mechanical_saw"
    }
  ],
  "output": {
    "item": "mob_grinding_utils:saw"
  }
}
)





})