{
    "display": {
      "icon": {
        "id": "minecraft:amethyst_shard"
      },
      "title": "Enderman Mutant Mod",
      "description": "Find an End Amulet",
      "frame": "task",
      "show_toast": true,
      "announce_to_chat": true,
      "hidden": false
    },
    "parent": "mt:treasure_advancements/first_epic_end_treasure",
    "criteria": {
      "obtainchest": {
        "trigger": "minecraft:inventory_changed",
        "conditions": {
          "items": [
            {
              "items": [
                "minecraft:amethyst_shard"
              ],
              "predicates": {
    "minecraft:custom_data": "{item:\"mt.end_amulet\"}"
        }          }
          ]
        }
      }
    }
  }
  