{
    "criteria": {
        "back_acovia" :{
            "trigger": "minecraft:consume_item",
            "conditions": {
                "item": {
                    "components": {
                        "custom_data": {
                            "acovia:back_acovia":true
                        }
                    }
                }
            }
        }
    },
    "rewards": {
        "function": "acovia:item/rewind_scroll"
    }
}