Catalog types

The types the catalog domain defines, with the fields other domains add to them.

Objects

Brand

A brand, as content refers to it by key. Its page is where a brand list links to; null where the brand has none.

Field	Type	Description
key	String!	Unique key for the brand.
name	String!	The brand's name, in the current locale.
logo	ProductImage	The brand's logo; null where it has none.
path	String	Path of the brand's page, without a locale prefix; null where it has none.

CatalogPage

Implements Page

Field	Type	Description
id	ID!
productListingConfig	ProductListingConfig!	The listing the page shows: the source's category, else the page's categoryId, with the source's sort as the default order.
name	String!	Name of the product listing page.
heading	String!	Text of the page's one top-level heading, which the page renders itself.
path	String!	URL path of the product listing page.
translatedPaths	[TranslatedPath!]	List of translated paths for different locales.
breadcrumbs	[Breadcrumb!]	Breadcrumb trail for the product listing page.
meta	PageMeta	Page metadata for SEO and other purposes.
intro	String	The text below the heading, clamped to two lines.
topContent	[Block!]	Top content of the product listing page, composed of various block types.
bottomContent	[Block!]	Bottom content of the product listing page, composed of various block types.
categoryId	String	Identifier of the category associated with this product listing. Owned here: the commerce subgraph extends CatalogPage and marks this @external, so some subgraph has to define it or composition fails.Deprecated: Read source.
source	ProductSource	The products the listing shows: the page's category, narrowed by its filters, in its sort order. Null where the page sets none of them.
layout	CatalogPageLayoutType!	How the page presents its category: a listing, or a landing page.
promos	[Promo!]!	At most two promo cards inside the product grid: the first at position 4, the second at position 12, on the first page of an unfiltered listing only.
facetFilters	[CatalogPageFacetFilter!]!	The facet selections that make this page a curated collection of its category, such as one colour of the category's products, to apply to the listing. Empty for the category's own page.Deprecated: Read source.filters.

CategoryFacet

Category-based facet for hierarchical filtering (e.g., categories, collections)

Field	Type	Description
key	String!	Unique key for the facet (e.g., 'sustainable')
label	String!	Display label for the facet (e.g., 'Sustainable')
options	[FacetValue!]!	Available options for this facet
visibleOptions	Int	How many options to show before the rest fold away behind a show-more control. Null where the facet configuration sets none, leaving it to the storefront.
searchable	Boolean	Whether the facet offers a box to search its options, for one with too many to scan. Null where the facet configuration does not say, leaving it to the storefront.

Dimension

Dimension option specific for this variant (see ProductVariantDimension for available options)

Field	Type	Description
key	String!	The key of the dimension (e.g. 'color')
label	String!	The translated label of the dimension (e.g. 'Color' or 'Kleur')
value	String!	The value of the dimension (e.g. '#ff0000')
valueLabel	String!	The translated value label of the dimension (e.g. 'Red' or 'Rood')

FacetValue

Individual value option within a facet with count information

Field	Type	Description
key	String!	Unique key for the facet value (e.g., 'red')
label	String!	Display label for the facet value (e.g., 'Red')
count	Int!	Number of products matching this facet value
selected	Boolean!	Whether this facet value is currently selected

FilterCondition

A condition a listing applies before the shopper's facet selections, which cannot widen it. A product matches any of its values; conditions join with AND.

Field	Type	Description
key	String!	Filter condition key
value	String!	The condition's first value.Deprecated: Use values
values	[String!]!	The values to match, any of them.

LocalizedSlug

Localized URL slug for different language versions

Field	Type	Description
locale	Locale!	The locale for this slug
slug	String!	The localized slug value

OptionsFacet

Multi-option facet for categorical filtering (e.g., color, brand)

Field	Type	Description
key	String!	Unique key for the facet (e.g., 'color')
label	String!	Display label for the facet (e.g., 'Color')
options	[FacetValue!]!	Available options for this facet
visibleOptions	Int	How many options to show before the rest fold away behind a show-more control. Null where the facet configuration sets none, leaving it to the storefront.
searchable	Boolean	Whether the facet offers a box to search its options, for one with too many to scan. Null where the facet configuration does not say, leaving it to the storefront.

Product

Fields added by Product review

Product entity containing all product information, variants, and metadata.

Field	Type	Description
id	ID!	Unique identifier for the product
slug	String!	URL-friendly slug for the product
localizedSlugs	[LocalizedSlug!]!	Localized slugs for different localesArguments: locales
name	String!	Name of the product
meta	ResourceMeta	Metadata for the product
brand	String	Brand of the product
image	ProductImage	The primary image associated with the product.
relatedProducts	[Product!]	Products that are similar. E.g. the same t-shirt in another color.
variant	ProductVariant!	A specific variant, often used to show data in a product card. If no sku is given then the primary variant is returned.Arguments: sku
variants	[ProductVariant!]!	A list of all variants, often used to show all available options in a product detail page.Arguments: sku
variantDimensions	[ProductVariantDimension!]!	Product variant dimensions for the product with selection optionsArguments: selectedSku
categories	[ProductCategory!]	The categories to which the product belongs.
primaryCategory	ProductCategory	The primary category to which the product belongs.
startingPrice	TaxedPrice	The lowest price of all variants, often used to communicate the price on the product list page.
reviews	Reviews	Customer reviews for the product
bundle	ProductBundle	The products sold with this one as a bundle, added together with cartBundleAdd. Null when the product has none that can be bought now.
breadcrumbs	[Breadcrumb!]
articles	[Page!]	Published pages about the product's primary category, or else about its nearest ancestor: the most specific category first, then the newest first. Nullable, so a content service that cannot answer leaves the product intact.
reviewDistribution	[ProductReviewRatingCount!]!	How many approved reviews gave each rating, from 5 down to 1, including ratings nobody gave
reviewFitDistribution	[ProductReviewFitCount!]!	How many approved reviews found the size each way, in the order of ProductReviewFitType, including ways nobody chose. All zero where buyers are not asked.
reviewList	ProductReviewResult!	The approved reviews of the productArguments: page, pageSize, rating, sort

ProductAccessory

A variant sold for use with another one.

Field	Type	Description
kind	ProductAccessoryKindType!
variant	ProductVariant!	The accessory itself, with its sku, unit and price. One that cannot be sold in the store is left out of the list rather than answered as null.

ProductBundle

Products sold together with a main product, at the bundle's discount.

Field	Type	Description
discountPercent	Float	The discount on each extra while it is bought with the main product, in percent, so 10 is 10%. Null when the engine has no single percentage.
items	[ProductBundleItem!]!	The extras in catalog order, without the main product itself and without products that cannot be bought now. Never empty.

ProductBundleItem

A product offered as an extra in a bundle.

Field	Type	Description
product	Product!	The extra itself, with the variants a buyer chooses from and their prices and availability.

ProductCategoriesResult

Paginated result containing product category pages

Field	Type	Description
items	[ProductCategoryPage!]!	List of category pages in the result
pagination	Pagination!	Where this page sits within the full result set

ProductCategory

Field	Type	Description
id	ID!	Unique identifier for the product category.
key	String!	Unique key for the product category
name	String!	Name of the product category
path	String!	URL path for the category
description	String	Description of the product category
ancestors	[ProductCategory!]!	Ancestor categories in the category hierarchy, root first: the last one is the category's parent.
children	[ProductCategory!]!	The direct subcategories, in the engine's order.
productCount	Int	How many products the category holds, its subcategories included; null where the engine does not count them.
image	ProductImage	The category's image; null where it has none or the engine keeps none.

ProductCategoryPage

Product category page containing products and metadata

Field	Type	Description
meta	PageMeta	Page metadata for SEO and other purposes
path	String!	The URL path of the category page
name	String	The name of the page.
indexable	Boolean	Indicates whether the page is indexable for search engines.
category	ProductCategory!	The product category associated with this page
productListingConfig	ProductListingConfig!	Configuration for the product listing on this page
breadcrumbs	[Breadcrumb!]!	The breadcrumbs representing the navigation path to the page.

ProductCategorySuggestion

A category suggested for a search term, with how much of the result it holds.

Field	Type	Description
category	ProductCategory!
productCount	Int!	How many products matching the term the category holds

ProductDocument

A file that belongs to a product variant, such as its datasheet.

Field	Type	Description
kind	ProductDocumentKindType!	What the document is
name	String!	The document's name in the store's language
url	String!	Where the file is downloaded from, as the catalog holds it. It does not expire, so a cached page keeps a working link.
contentType	String	The file's media type, such as application/pdf, where the catalog says
size	Int	The file's size in bytes, where the catalog says
locale	Locale	The language the document is written in, where the catalog says. Null for a document that is not language-specific.

ProductEntityReference

Reference to a product entity with basic information

Field	Type	Description
name	String	Name of the referenced product entity
path	String	Path to the referenced product entity

ProductImage360

360-degree product image set for interactive viewing

Field	Type	Description
urls	[String!]!	A list of URLs to the images.
alt	String	Alternative text for the 360° image set
description	String	Description of the 360° image set

ProductList

Field	Type	Description
id	ID!
items	[Product!]	The products the list's source selects, up to its limit and without the sold-out ones; null where the engine cannot select products by a source.
anchor	String	The id an in-page link or the table of contents points to; null where none is set.
audience	AudienceType!	Who the block is shown to.
title	String	The visible title, rendered as the H2.
variants	[ProductVariant!]!	The variants the editor picked, in their order; empty where the list has a source.
source	ProductSource	The products to select where no variants are picked; null where none is set.
limit	Int!	The most products to show.
link	ResourceLink	A link to all of the products, such as their catalog page.

ProductListingConfig

Field	Type	Description
categoryId	String!	Category ID for the product listing
defaultOrder	ProductSortOrderType	Default sort order for products
prefilters	[FilterCondition!]	Pre-applied filters for the listing

ProductPriceTier

The unit price from an order quantity on.

Field	Type	Description
minimumQuantity	Int!	The quantity from which this unit price applies.
price	TaxedPrice!	The unit price at that quantity.

ProductRibbon

Field	Type	Description
kind	String	NEW, SALE, etc.
label	String	Text in the ribbon

ProductSearchSuggestions

What a search field suggests for a partly typed term.

Field	Type	Description
terms	[String!]!	Completions of the term, each to be searched for as it stands. Empty where the engine offers none.
categories	[ProductCategorySuggestion!]!	The categories holding the most matching products, most first
products	[ProductVariant!]!	The best matching products, best first, each as the variant that matched: the one whose sku was typed, otherwise the variant a listing shows.

ProductSpecificationBooleanAttribute

Implements AbstractProductSpecificationAttribute

Field	Type	Description
name	String!	The name of the attribute, e.g. 'isFragile'. Consistent across all locales
label	String!	The label of the attribute, e.g. 'Is fragile'. Localized to the current locale
value	Boolean!	The boolean value of the attribute, e.g. true
description	String	Optional descriptive information about the attribute, Localized to the current locale

ProductSpecificationDateTimeAttribute

Implements AbstractProductSpecificationAttribute

Field	Type	Description
name	String!	The name of the attribute, e.g. 'availableFrom'. Consistent across all locales
label	String!	The label of the attribute, e.g. 'Available from'. Localized to the current locale
value	DateTime!	The datetime value of the attribute, e.g. 2024-08-14T07:52:15.520Z
description	String	Optional descriptive information about the attribute, Localized to the current locale

ProductSpecificationEnumAttribute

Implements AbstractProductSpecificationAttribute

Field	Type	Description
name	String!	The name of the attribute, e.g. 'season'. Consistent across all locales
label	String!	The label of the attribute, e.g. 'Season'. Localized to the current locale
value	ProductSpecificationEnumValue!	The enum value of the attribute
description	String	Optional descriptive information about the attribute, Localized to the current locale

ProductSpecificationEnumListAttribute

Implements AbstractProductSpecificationAttribute

Field	Type	Description
name	String!	The name of the attribute, e.g. 'audiences'. Consistent across all locales
label	String!	The label of the attribute, e.g. 'Audiences'. Localized to the current locale
values	[ProductSpecificationEnumValue]!	The enumc values of the attribute
description	String	Optional descriptive information about the attribute, Localized to the current locale

ProductSpecificationEnumValue

Field	Type	Description
label	String!	The label of the enum, e.g. 'green'. Consistent across all locales
value	String!	The string value of the enum, e.g. 'Green'

ProductSpecificationGroup

Field	Type	Description
name	String!	The name of the specification group, e.g. 'technical'. Consistent across all locales
label	String!	The label of the specification group, e.g. 'Technical'. Localized to the current locale
description	String	Optional descriptive information about the specification group, Localized to the current locale
attributes	[ProductSpecificationAttribute!]!	Attributes for this specification group. These reflect a list of all the attributes associated with this specification group.

ProductSpecificationNumberAttribute

Implements AbstractProductSpecificationAttribute

Field	Type	Description
name	String!	The name of the attribute, e.g. 'length'. Consistent across all locales
label	String!	The label of the attribute, e.g. 'Length'. Localized to the current locale
value	Float!	The integer value of the attribute, e.g. 1
description	String	Optional descriptive information about the attribute, Localized to the current locale

ProductSpecificationStringAttribute

Implements AbstractProductSpecificationAttribute

Field	Type	Description
name	String!	The name of the attribute, e.g. 'size'. Consistent across all locales
label	String!	The label of the attribute, e.g. 'Size'. Localized to the current locale
value	String!	The string value of the attribute, e.g. 'XL'. Localized to the current locale
description	String	Optional descriptive information about the attribute, Localized to the current locale

ProductsResult

Paginated result containing products and available facets for filtering

Field	Type	Description
items	[Product!]!	List of products in the result
pagination	Pagination!	Where this page sits within the full result set
facets	[Facet!]	Available facets for filtering
queryId	String	The search engine's id for this search, for click and conversion analytics that attribute an event to the search it came from. Null where the engine issues none, or analytics is not enabled for it.
correctedSearchTerm	String	The term the products were found for, where the term as typed found nothing and the engine's top suggestion did. Null when the term was searched as given, and always null with exactSearchTerm.
redirect	SearchRedirect	Where one of the engine's keyword rules sends this search term instead of to a result page. Null where the engine has no matching rule.

ProductVariant

Fields added by Delivery options

Specific variant of a product with unique SKU, pricing, and attributes

Field	Type	Description
id	ID!	Unique identifier for the variant
availability	ProductAvailabilityType	Availability status of the variant
name	String	The name of the variant.
description	String	The variant description, can be formatted using Markdown.
sku	String	The SKU (stock keeping unit) for the variant.
ean	String	European Article Number (EAN)
mpn	String	The manufacturer's part number (MPN).
hscode	String	Harmonized System (HS) code for the variant.
primaryImage	ProductImage	The main image associated with the product variant.
images	[ProductImage!]	All images associated with the product variant.
price	TaxedPrice	The price on the platform after regular product discounts are applied, it's the price communicated to the customer in the storefront.
regularPrice	TaxedPrice	The regular selling price on the platform, potentially already discounted from the MSRP. It's the standard price at which the product is usually offered when there are no special sales or additional discounts.
listPrice	TaxedPrice	Represents the list price, also known as te Manufacturer's Suggested Retail Price (MSRP). It's the highest price shown and could be used as the strikethrough price to indicate the original value of the product before any discounts.
unit	String	The name of the unit the variant is sold in, such as piece, box or metre, in the store's language, without a quantity: how many go in one is the quantityRule step. Null where the catalog does not say.
documents	[ProductDocument!]!	The variant's documents, such as its datasheet and declaration of conformity, in catalog order. Empty where it has none.
accessories	[ProductAccessory!]!	The accessories and spare parts sold for this variant, in catalog order. One that cannot be sold in the store is left out.
complementaryProducts	[ProductVariant!]!	Products to buy alongside this variant, such as socks with shoes, each as the variant it is sold as, in catalog order, so its price and stock are the ones a buyer gets; its product, and that product's slug, link to its page. One that cannot be sold in the store, or is out of stock, is left out. Empty where the catalog lists none.
lowestPrice	TaxedPrice	The lowest price of the 30 days before the current discount, which EU price-indication rules require beside a reduction. Null when the variant is not discounted, and where the engine has no record of it.
specifications	[ProductSpecificationGroup!]	Specifications for this variant. These reflect predefined groups of attributes that can be used to describe the variant on the frontend.
highlightedSpecifications	[ProductSpecificationAttribute!]	Highlighted specifications for this variant. These are a subset of the full specifications that are particularly important or relevant for the product. They are often used to highlight key features in the product detail view.
product	Product	Backlink to the product. This is useful for the frontend to fetch product information if the entrypoint was the variant.
ribbon	ProductRibbon	The ribbon. For example: 'Boeket van de maand' etc.
dimensions	[Dimension!]!	The dimensions specific to the product variant. Used to display the dimensions of the variant.
priceTiers	[ProductPriceTier!]	The unit price at each order quantity, lowest quantity first, for a tier table. Empty when the price has no tiers; null when the engine does not tell.
stockByWarehouse	[WarehouseStock!]	Stock per warehouse, for a buyer who chooses where to order from. Null when stock is not kept per warehouse.
kind	ProductKindType	Whether the variant is shipped or delivered digitally, so a storefront can drop the quantity selector and shipping promises for a digital one. Null when the engine does not tell.
stock	ProductVariantStock	How much of the variant is in stock, for a storefront to say so. Null when no stock is tracked for it, or when it is not for sale.
inStockAlternative	ProductVariant	The variant of the same product most like this one that is in stock, such as the same colour in another size. Null when this one is in stock, or when no other variant is.
quantityRule	ProductVariantQuantityRule	How many of the variant can be ordered on one line, for a quantity stepper before it is in the cart. Null when the engine does not tell.
deliveryPromise	DeliveryPromise	When this variant arrives if it is ordered now, at a country and optional postal code: the earliest date, the deadline to order for it, the carrier and the price. The same source as the cart's delivery dates, so the product page promises what checkout offers. Null when the delivery provider makes no promises.Arguments: country, postalCode

ProductVariantDimension

Product variant dimension containing selectable options (e.g., size, color)

Field	Type	Description
label	String!	Display label for the dimension
name	String!	Internal name of the dimension
options	[ProductVariantDimensionOption!]!	Available options for this dimension

ProductVariantDimensionColorOption

Implements ProductVariantDimensionOption

Color-based product variant dimension option with hex color value

Field	Type	Description
label	String!
value	String!
selected	Boolean!
availability	ProductAvailabilityType
product	Product
variant	ProductVariant
color	String!	Hex value of the color used to display the option.

ProductVariantDimensionImageOption

Implements ProductVariantDimensionOption

Image-based product variant dimension option (e.g., pattern, style)

Field	Type	Description
label	String!
value	String!
selected	Boolean!
availability	ProductAvailabilityType
product	Product
variant	ProductVariant

ProductVariantDimensionTextOption

Implements ProductVariantDimensionOption

Text-based product variant dimension option (e.g., size, material)

Field	Type	Description
label	String!
value	String!
selected	Boolean!
availability	ProductAvailabilityType
product	Product
variant	ProductVariant

ProductVariantQuantityRule

How many of a variant can be ordered on one line. The bounds are multiples of step, so a minimum of 1 in packs of 6 is 6. Stock does not limit it here; that limit is the cart line's quantityRule.

Field	Type	Description
minimum	Int!	The least that can be ordered; step when the variant has no minimum.
maximum	Int	The variant's maximum per line. Null when it has none.
step	Int!	Quantities go up in this step, the pack size; 1 when it is not sold in packs.

ProductVariantStock

A variant's stock, as a buyer is told it.

Field	Type	Description
level	StockLevelType!	How the stock reads.
lowStockQuantity	Int	How many are left. Only given for LOW_STOCK.
expectedAvailableDate	Date	When an out-of-stock variant is expected back. Null when nobody knows.

ProductYouTubeVideo

YouTube video embedded as product media

Field	Type	Description
videoId	String!	The YouTube video ID.
alt	String	Alternative text for the video
description	String	Description of the video

RangeFacet

Range-based facet for numeric filtering (e.g., price, rating)

Field	Type	Description
key	String!	Unique key for the facet (e.g., 'price')
label	String!	Display label for the facet (e.g., 'Price')
currency	Currency	The currency the range counts in, where it is an amount of money: min, max, the selection and a filter's bounds are then in its minor units, such as cents, as Money.centAmount is. Null for a plain number, such as a width.
min	Float!	Minimum value in the range
max	Float!	Maximum value in the range
selectedMin	Float	Currently selected minimum value
selectedMax	Float	Currently selected maximum value

Reviews

Field	Type	Description
amount	Int!	The number of reviews for the product.
averageRating	Float!	The average rating for the product.

ToggleFacet

Boolean toggle facet for binary filtering (e.g., in stock, on sale)

Field	Type	Description
key	String!	Unique key for the facet (e.g., 'sustainable')
label	String!	Display label for the facet (e.g., 'Sustainable')
options	[FacetValue!]!	Toggle options (exactly 2: true and false)

Warehouse

A place stock is kept and shipped from.

Field	Type	Description
key	String!	Stable identifier of the warehouse.
name	String!	Display name of the warehouse.

WarehouseStock

How much of a variant one warehouse holds.

Field	Type	Description
warehouse	Warehouse!
availableQuantity	Int!	How many it can ship now.
expectedAvailableDate	Date	When it expects more, when it has none. Null when nobody knows.

Input objects

FacetFilterInput

Field	Type	Description
key	String!	Unique key for the facet
selections	[String!]	Required for Options Facets
min	Float	Required for Range Facets
max	Float	Required for Range Facets
toggle	Boolean	Required for Toggle Facets

FilterConditionInput

A condition a listing applies before the shopper's facet selections, which cannot widen it. A product matches any of its values; conditions join with AND.

Field	Type	Description
key	String!	Filter condition key
value	String	A single value to match; ignored where values is set.
values	[String!]	The values to match, any of them.

Enums

CategorySortOrderType

Available sorting options for category listings

NAME_ASCENDING	Sort by name in ascending order
NAME_DESCENDING	Sort by name in descending order

ProductAccessoryKindType

How an accessory relates to the variant it is listed for.

ACCESSORY	Something to use with the variant
SPARE_PART	A replacement part for the variant

ProductAvailabilityType

Product availability status indicating stock levels and purchase options

IN_STOCK	The product is currently in stock and available for purchase.
OUT_OF_STOCK	The product is temporarily unavailable because it is out of stock. Customers cannot purchase it at the moment.
BACKORDER	The product is temporarily out of stock, but customers can still place orders. The product will be shipped once it becomes available again.
DISCONTINUED	The product has been permanently discontinued and is no longer available for purchase.
NOT_FOR_SALE	The variant has no price for the shopper's store, currency and customer, so it cannot be bought whatever its stock. Show it as unavailable, without a stock claim.

ProductDocumentKindType

What a product document is, so a page can group and label it.

DATASHEET	A technical datasheet
DECLARATION_OF_CONFORMITY	A declaration of conformity, such as the CE declaration
SAFETY_INFORMATION	Safety information
MANUAL	A manual or instructions
OTHER	Any other document

ProductKindType

How a product reaches the buyer.

PHYSICAL	Shipped as a parcel.
DIGITAL	Delivered digitally, such as an ebook or a download: no shipping, no quantity.

StockLevelType

How a variant's stock reads to a buyer.

IN_STOCK	In stock, with more left than is worth mentioning.
LOW_STOCK	In stock, and few enough left to say how many.
PRE_ORDER	Out of stock, and orderable now to ship when it is back.
SOLD_OUT	Out of stock, and not orderable until it is back.

Interfaces

AbstractProductSpecificationAttribute

Field	Type	Description
name	String!	The name of the attribute, e.g. 'color'. Consistent across all locales
label	String!	The label of the attribute, e.g. 'Color'. Localized to the current locale
description	String	Optional descriptive information about the attribute, Localized to the current locale

Implemented by ProductSpecificationBooleanAttribute, ProductSpecificationDateTimeAttribute, ProductSpecificationEnumAttribute, ProductSpecificationEnumListAttribute, ProductSpecificationNumberAttribute and ProductSpecificationStringAttribute.

ProductVariantDimensionOption

Interface for product variant dimension options with common properties

Field	Type	Description
label	String!	Display label for the option
value	String!	Value of the option
selected	Boolean!	Whether this option is currently selected
availability	ProductAvailabilityType	Availability status of this option
product	Product	The product this option belongs to
variant	ProductVariant	The specific variant this option represents

Implemented by ProductVariantDimensionColorOption, ProductVariantDimensionImageOption and ProductVariantDimensionTextOption.

Unions

Facet

Union of different facet types for product filtering

One of RangeFacet, OptionsFacet, ToggleFacet or CategoryFacet.

Media

Union of different media types available for products

One of ProductImage, ProductImage360 or ProductYouTubeVideo.

ProductSpecificationAttribute

One of ProductSpecificationStringAttribute, ProductSpecificationNumberAttribute, ProductSpecificationBooleanAttribute, ProductSpecificationEnumAttribute, ProductSpecificationEnumListAttribute or ProductSpecificationDateTimeAttribute.