{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ProductVariant",
  "title": "ProductVariant",
  "type": "object",
  "description": "A product variant with SKU, attributes, prices, and images.",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "integer",
      "description": "Variant ID unique within the product (starting at 1 for master)."
    },
    "sku": {
      "type": "string",
      "description": "Stock keeping unit identifier for this variant."
    },
    "key": {
      "type": "string",
      "description": "User-defined unique key for the variant."
    },
    "prices": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/Price"
      },
      "description": "List of prices for different currencies, channels, and customer groups."
    },
    "attributes": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/Attribute"
      },
      "description": "Product attributes as defined by the product type."
    },
    "images": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/Image"
      },
      "description": "List of images for this variant."
    }
  }
}