{
    "display": {
        "icon": {
            "item": "minecraft:iron_ingot"
        },
        "title": {
            "translate": "advancements.story.smelt_iron.title"
        },
        "description": {
            "translate": "advancements.story.smelt_iron.description"
        }
    },
    "parent": "minecraft:story/upgrade_tools",
    "criteria": {
        "iron": {
            "trigger": "minecraft:inventory_changed",
            "conditions": {
                "items": [
                    {
                        "item": "minecraft:iron_ingot"
                    }
                ]
            }
        }
    }
}