{
  "display": {
    "icon": {
      "id": "minecraft:zombie_head"
    },
    "title": {
      "translate": "entity.minecraft.zombie",
      "fallback": "Zombie",
      "extra": [
        {
          "text": " "
        },
        {
          "translate": "mob_heads.head",
          "fallback": "Head"
        }
      ]
    },
    "description": {
      "translate": "mob_heads.advancement.collection.collect_the",
      "fallback": "Collect the",
      "extra": [
        {
          "text": " "
        },
        {
          "translate": "entity.minecraft.zombie",
          "fallback": "Zombie"
        },
        {
          "text": " "
        },
        {
          "translate": "mob_heads.head",
          "fallback": "Head"
        }
      ]
    },
    "frame": "task",
    "show_toast": true,
    "announce_to_chat": true,
    "hidden": false
  },
  "parent": "mob_heads:collection/hostile",
  "criteria": {
    "requirement": {
      "trigger": "minecraft:inventory_changed",
      "conditions": {
        "player": [
          {
            "condition": "minecraft:value_check",
            "value": {
              "type": "minecraft:score",
              "target": {
                "type": "minecraft:fixed",
                "name": "&head_drop_advancement"
              },
              "score": "mob_heads.config"
            },
            "range": 2
          }
        ],
        "items": [
          {
            "items": "minecraft:zombie_head"
          }
        ]
      }
    }
  }
}