<xs:element name="GatewayTxnId" type="txnIdType" minOccurs="0" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:documentation>
      <p xmlns="http://Hps.Exchange.PosGateway">Gateway-generated transaction identifier returned in the response of the original transaction.</p>
      <p xmlns="http://Hps.Exchange.PosGateway">This field is used to indicate that the previous CreditOfflineSale that timed out should be retried.</p>
      <p xmlns="http://Hps.Exchange.PosGateway" />
      <p xmlns="http://Hps.Exchange.PosGateway">
        <strong>Note:</strong> This is for the UK market only.
            </p>
    </xs:documentation>
  </xs:annotation>
</xs:element>