<xs:element name="timestamp">
    <xs:annotation>
        <xs:documentation>A date-and-time associated with the message, other than the date-and-time the message
was sent</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:simpleContent>
            <xs:extension base="DateTimePropType">
                <xs:attribute name="role" type="xs:string">
                    <xs:annotation>
                        <xs:documentation>A refinement of the semantics of the property</xs:documentation>
                    </xs:annotation>
                </xs:attribute>
            </xs:extension>
        </xs:simpleContent>
        <!-- NAR 1.2 erratum 1 correction: on timestamp, complexContent replaced by simpleContent -->
    </xs:complexType>
</xs:element>

• nsA:DateTimePropType
  • timestamp