{
  "materials": [
    {
      "item": {
        // forge 提供的宽松型 NBT 写法，只要输入物品符合其中的 NBT，即可合成
        "type": "forge:partial_nbt",
        // 默认枪械物品 id
        "item": "tacz:ammo",
        // 附加的 NBT 数值
        // 这里我们填写了枪械 id
        "nbt": {
          "AmmoId": "emxarms:339x57"
        }
      },
      "count": 60
    },
    {
      "item": {
        "item": "minecraft:iron_ingot"
      },
      "count": 2
    },
    {
      "item": {
        "item": "minecraft:amethyst_shard"
      },
      "count": 1
    },
    {
      "item": {
        "item": "minecraft:quartz"
      },
      "count": 1
    }
  ],
  "result": {
    "type": "ammo",
    "id": "emxarms:339x57fmj",
    "count": 60
  }
}