<xs:element name="PaymentFacilitatorTxnId" type="xs:string" minOccurs="0" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:documentation>
      <p xmlns="http://Hps.Exchange.PosGateway">
              Unique transaction identifier assigned by the payment facilitator. This identifier is for use only by the payment facilitator,
              and should not be used as a reference in future client requests to the Portico Gateway.
            </p>
    </xs:documentation>
  </xs:annotation>
</xs:element>