Gateway generated transaction identifier returned in the response of the original transaction. This indicates the AltPayment transaction to be captured against.
<xs:complexTypename="PosAltPayCaptureReqType"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 AltPayment transaction to be captured 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 capture</p></xs:documentation></xs:annotation></xs:element><xs:elementname="Payment"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Payment Information for the capture</p></xs:documentation></xs:annotation><xs:complexType><xs:sequencemaxOccurs="200"><xs:elementname="NameValuePair"type="NameValuePairType"/></xs:sequence></xs:complexType></xs:element></xs:all></xs:complexType>