{
  "parent": "minecraft:nether/get_wither_skull",
  "criteria": {
    "summoned": {
      "conditions": {
        "entity": [
          {
            "condition": "minecraft:entity_properties",
            "entity": "this",
            "predicate": {
              "type": "minecraft:wither"
            }
          }
        ]
      },
      "trigger": "minecraft:summoned_entity"
    }
  },
  "display": {
    "announce_to_chat": true,
    "description": {
      "translate": "advancements.nether.summon_wither.description"
    },
    "frame": "task",
    "hidden": false,
    "icon": {
      "item": "minecraft:nether_star"
    },
    "show_toast": true,
    "title": {
      "translate": "advancements.nether.summon_wither.title"
    }
  },
  "requirements": [
    [
      "summoned"
    ]
  ]
}