<xs:attribute name="Result" use="optional">
    <xs:annotation>
        <xs:documentation xml:lang="en">Information returned by the credit card vendor describing the results of the processing of the request.</xs:documentation>
    </xs:annotation>
    <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="Approved">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Credit card authorization was approved</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration value="ApprovedWithPositiveID">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Credit card authorization is approved upon card holder presenting positive identification.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration value="Denied">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Credit card authorization is denied and no reason is given.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration value="DeniedPickupCard">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Indicates that credit card authorization is not approved and that the credit card should be withheld from the customer.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration value="ReferToIssuer">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Credit card authorization is not approved and card holder should check with the issuer of the card.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration value="EditError">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Credit card authorization request has incurred an edit error on the information entered.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
        </xs:restriction>
    </xs:simpleType>
</xs:attribute>