Auction InformationThe auction information.auction_sitestringOptionalThe name of the auction site.Match^[a-zA-Z0-9_'\-., ":;\!?]*$Length1 <= length <= 200auction_item_sitestringOptionalThe auction site URL.FormaturiLength1 <= length <= 4000auction_buyer_idstringOptionalThe ID of the buyer who makes the purchase in the auction. This ID might be different from the payer ID provided for the payment.Match^[a-zA-Z0-9_'\-., ":;\!?]*$Length1 <= length <= 500auction_closing_datestring<date_time>OptionalThe date and time when the auction closes.Match^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])[T,t]([0-1][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)([.][0-9]+)?([Zz]|[+-][0-9]{2}:[0-9]{2})$Formatppaas_date_time_v3Length20 <= length <= 64