DESCRIPTION

The default value is Title, unless mode is specified.

The list of available values are:

    Author
    Availability
    Brand
    BrowseNode
    Condition
    Count
    DeliveryMethod
    Format
    ISPUPostalCode
    ItemPage
    Keywords
    Magazines
    Manufacturer
    MerchantId
    Performer
    PostalCode
    Sort
    State
    Title