{
    "title": "Product",
    "type": "object",
    "description": "A product in the catalog",
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://example.com/product.schema.json",
    "required": [
        "productId"
    ],
    "properties": {
        "productId": {
            "type": "integer",
            "description": "The unique identifier for a product",
            "properties": {}
        }
    }
}