{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/CartItem", "title": "CartItem", "type": "object", "description": "A product line item in a shopping cart (quote).", "properties": { "item_id": { "type": "integer", "description": "Numeric cart item entity ID." }, "sku": { "type": "string", "description": "SKU of the product in the cart." }, "qty": { "type": "number", "description": "Quantity of the product in the cart." }, "name": { "type": "string", "description": "Display name of the product." }, "price": { "type": "number", "description": "Unit price of the product." }, "product_type": { "type": "string", "description": "Product type of the cart item." }, "quote_id": { "type": "string", "description": "The cart (quote) ID this item belongs to." } } }