Advancement creator

{
  "display": {
    "icon": {
      "item": "minecraft:diamond"
    },
    "title": {
      "text": "Custom Advancement"
    },
    "description": {
      "text": "Complete this advancement"
    },
    "frame": "task",
    "show_toast": true,
    "announce_to_chat": true,
    "hidden": false
  },
  "criteria": {
    "requirement": {
      "trigger": "minecraft:inventory_changed",
      "conditions": {}
    }
  },
  "requirements": [
    [
      "requirement"
    ]
  ]
}