<xs:simpleType name="ListingTypeType" xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:annotation><xs:documentation>The listing type of a listing.</xs:documentation></xs:annotation><xs:restriction base="xs:string"><xs:enumeration value="Unknown"/><xs:enumeration value="Auction"/><xs:enumeration value="AuctionWithBuyItNow"/><xs:enumeration value="FixedPriceItem"/></xs:restriction></xs:simpleType>