. "This boolean attribute indicates whether a Unit Price Specification is a list price (usually a vendor recommendation) or not. \"true\" indicates it is a list price, \"false\" indicates it is not. It is safe to assume by default that a Unit Price Specification that lacks this attributes is not list price.\nDEPRECATED. Use the gr:priceType property instead."@en . . . "isListPrice (DEPRECATED)"@en . . .