{
  "display": {
    "icon": {
      "item": "siegemachines:siege_workbench"
    },
    "title": "Medieval Siege Machines",
    "description": "Learn full power of the STRONGEST weapon!",
    "frame": "task",
    "show_toast": true,
    "announce_to_chat": true,
    "background": "siegemachines:textures/block/siege_workbench_bottom.png"
  },
  "criteria": {
    "requirement": {
      "trigger": "minecraft:inventory_changed",
      "conditions": {
        "items": [
          {
            "items": [
              "siegemachines:siege_workbench"
            ]
          }
        ]
      }
    }
  }
}