{
  "oversized_in_gui": true,
  "model": {
    "type": "minecraft:condition",
    "property": "minecraft:carried",
    "on_true": {
      "type": "minecraft:empty"
    },
    "on_false": {
      "type": "minecraft:model",
      "model":"unmei:item/gui/right_arrow"
    }
  }
}