tracker

The item name or title.

The item quantity. Must be a whole number.

The stock keeping unit (SKU) for the item. This can contain unicode characters.

The URL to the item being purchased. Visible to buyer and used in buyer experiences.

The URL of the item's image. Supported image formats: JPEG (.jpg, .jpeg), PNG (.png), GIF (.gif).

The complete target URL. To make the related call, combine the method with this [URI Template-formatted](https://tools.ietf.org/html/rfc6570) link. For pre-processing, include the `$`, `(`, and `)` characters. The `href` is the key HATEOAS component that links a completed call with a subsequent call.

The [link relation type](https://tools.ietf.org/html/rfc5988#section-4), which serves as an ID for a link that unambiguously describes the semantics of the link. See [Link Relations](https://www.iana.org/assignments/link-relations/link-relations.xhtml).

The HTTP method required to make the related call.

The link title.

The media type, as defined by [RFC 2046](https://www.ietf.org/rfc/rfc2046.txt). Describes the link target.

The media type in which to submit the request data.