{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/CommerceItem",
  "title": "CommerceItem",
  "type": "object",
  "description": "A commerce item in a purchase or cart",
  "required": [
    "id",
    "name",
    "price",
    "quantity"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Item ID or SKU"
    },
    "sku": {
      "type": "string",
      "description": "Item SKU"
    },
    "name": {
      "type": "string",
      "description": "Item name"
    },
    "description": {
      "type": "string",
      "description": "Item description"
    },
    "categories": {
      "type": "array",
      "description": "Item categories",
      "items": {
        "type": "string"
      }
    },
    "price": {
      "type": "number",
      "description": "Item price"
    },
    "quantity": {
      "type": "integer",
      "description": "Quantity purchased"
    },
    "imageUrl": {
      "type": "string",
      "format": "uri",
      "description": "URL of the item image"
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "URL of the item page"
    },
    "dataFields": {
      "type": "object",
      "description": "Additional item data fields",
      "additionalProperties": true
    }
  }
}