Gateway generated transaction identifier returned in the response of the original transaction. This indicates the original Alt Payment transaction to create an authorization against.
<xs:complexTypename="PosAltPayCreateAuthReqType"xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:all><xs:elementname="TransactionType"type="AltPaymentTxnType"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Alternate Payment Transaction Type</p></xs:documentation></xs:annotation></xs:element><xs:elementname="GatewayTxnId"type="txnIdType"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Gateway generated transaction identifier returned in the response of the original transaction. This indicates the original Alt Payment transaction to create an authorization against.</p></xs:documentation></xs:annotation></xs:element><xs:elementname="Amt"type="amtTypeGlobal"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Amount for the new authorization</p></xs:documentation></xs:annotation></xs:element><xs:elementname="Shipping"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Shipping Information for the new authorization</p></xs:documentation></xs:annotation><xs:complexType><xs:sequencemaxOccurs="10"><xs:elementname="Address"type="NameValuePairCollectionType"><xs:annotation><xs:documentation>Address Information</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:complexType></xs:element><xs:elementname="Payment"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Payment Information for the new authorization</p></xs:documentation></xs:annotation><xs:complexType><xs:sequencemaxOccurs="200"><xs:elementname="NameValuePair"type="NameValuePairType"/></xs:sequence></xs:complexType></xs:element><xs:elementname="LineItem"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Line Item purchase information for the new authorization</p></xs:documentation></xs:annotation><xs:complexType><xs:sequencemaxOccurs="100"><xs:elementname="Detail"type="NameValuePairCollectionType"><xs:annotation><xs:documentation>Detail Information</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:complexType></xs:element></xs:all></xs:complexType>