<xs:complexType name="AdditionalTxnFieldsType" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:all>
    <xs:element name="Description" type="descriptionType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>
          <p xmlns="http://Hps.Exchange.PosGateway">Free-form description field. This must not contain sensitive information.</p>
        </xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="InvoiceNbr" minOccurs="0">
      <xs:annotation>
        <xs:documentation>
          <p xmlns="http://Hps.Exchange.PosGateway">Used to log the invoice number on transactions that are not eCommerce.</p>
        </xs:documentation>
      </xs:annotation>
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:maxLength value="60" />
        </xs:restriction>
      </xs:simpleType>
    </xs:element>
    <xs:element name="CustomerID" type="customerIDType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>
          <p xmlns="http://Hps.Exchange.PosGateway">Used to log Merchant specific customer identification.</p>
          <p xmlns="http://Hps.Exchange.PosGateway" />
          <p xmlns="http://Hps.Exchange.PosGateway">
            <strong>Note:</strong> For GETI check transactions, this is sent in the CUSTOM3 field.
            </p>
        </xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:all>
</xs:complexType>