Type name: Demand
Extends Intangible
| Name | Type | Description | 
|---|---|---|
| acceptedPaymentMethod | PaymentMethod | The payment method(s) accepted by seller for this offer. | 
| advanceBookingRequirement | QuantitativeValue | The amount of time that is required between accepting the offer and the actual usage of the resource or service. | 
| availability | ItemAvailability | The availability of this item—for example In stock, Out of stock, Pre-order, etc. | 
| availabilityEnds | DateTime | The end of the availability of the product or service included in the offer. | 
| availabilityStarts | DateTime | The beginning of the availability of the product or service included in the offer. | 
| availableAtOrFrom | Place | The place(s) from which the offer can be obtained (e.g. store locations). | 
| availableDeliveryMethod | DeliveryMethod | The delivery method(s) available for this offer. | 
| businessFunction | BusinessFunction | The business function (e.g. sell, lease, repair, dispose) of the offer or component of a bundle (TypeAndQuantityNode). The default is http://purl.org/goodrelations/v1#Sell. | 
| deliveryLeadTime | QuantitativeValue | The typical delay between the receipt of the order and the goods leaving the warehouse. | 
| eligibleCustomerType | BusinessEntityType | The type(s) of customers for which the given offer is valid. | 
| eligibleDuration | QuantitativeValue | The duration for which the given offer is valid. | 
| eligibleQuantity | QuantitativeValue | The interval and unit of measurement of ordering quantities for which the offer or price specification is valid. This allows e.g. specifying that a certain freight charge is valid only for a certain quantity. | 
| eligibleRegion | GeoShape or Text | The ISO 3166-1 (ISO 3166-1 alpha-2) or ISO 3166-2 code, or the GeoShape for the geo-political region(s) for which the offer or delivery charge specification is valid. | 
| eligibleTransactionVolume | PriceSpecification | The transaction volume, in a monetary unit, for which the offer or price specification is valid, e.g. for indicating a minimal purchasing volume, to express free shipping above a certain order volume, or to limit the acceptance of credit cards to purchases to a certain minimal amount. | 
| gtin13 | Text | The 13-digit Global Trade Item code of the product, or the product to which the offer refers. This is equivalent to 13-digit ISBN codes and EAN UCC-13. Former 12-digit UPC codes can be converted into a GTIN-13 code by simply adding a preceding zero. See GS1 GTIN Summary for more details. | 
| gtin14 | Text | The 14-digit Global Trade Item code of the product, or the product to which the offer refers. See GS1 GTIN Summary for more details. | 
| gtin8 | Text | The 8-digit Global Trade Item code of the product, or the product to which the offer refers. This code is also known as EAN/UCC-8 or 8-digit EAN. See GS1 GTIN Summary for more details. | 
| includesObject | TypeAndQuantityNode | This links to a node or nodes indicating the exact quantity of the products included in the offer. | 
| inventoryLevel | QuantitativeValue | The current approximate inventory level for the item or items. | 
| itemCondition | OfferItemCondition | A predefined value from OfferItemCondition or a textual description of the condition of the product or service, or the products or services included in the offer. | 
| itemOffered | Product | The item being offered. | 
| mpn | Text | The Manufacturer Part Number (MPN) of the product, or the product to which the offer refers. | 
| priceSpecification | PriceSpecification | One or more detailed price specifications, indicating the unit price and delivery or payment charges. | 
| seller | Organization or Person | An entity which offers (sells / leases / lends / loans) the services / goods. A seller may also be a provider. | 
| serialNumber | Text | The serial number or any alphanumeric identifier of a particular product. When attached to an offer, it is a shortcut for the serial number of the product included in the offer. | 
| sku | Text | The Stock Keeping Unit (SKU), i.e. a merchant-specific identifier for a product or service, or the product to which the offer refers. | 
| validFrom | DateTime | The date when the item becomes valid. | 
| validThrough | DateTime | The end of the validity of offer, price specification, or opening hours data. | 
| warranty | WarrantyPromise | The warranty promise(s) included in the offer. |