{
  "materials": [
    {
      "item": {
        "item": "minecraft:charcoal"
      },
      "count": 3
    },
    {
      "item": {
        "item": "minecraft:iron_ingot"
      },
      "count": 2
    },
    {
      "item": {
        "item": "minecraft:gunpowder"
      },
      "count": 1
    }
  ],
  "result": {
    "type": "ammo",
    "id": "emxarms:x16he",
    "count": 30
  }
}