{
  "criteria": {
    "craft_item_0": {
      "trigger": "minecraft:recipe_crafted",
      "conditions": {
        "recipe_id": "shield"
      }
    }
  },
  "requirements": [
    [
      "craft_item_0"
    ]
  ],
  "rewards": {
    "function": "overly_realistic:players/crafting/craft_shield"
  }
}