Send Username and Email in XML

<xs:element name="user">
    <xs:complexType>
        <xs:sequence>
            <xs:element name="username" type="xs:string"/>
            <xs:element name="email">
                <xs:simpleType>
                    <xs:restriction base="xs:string">
                        <!-- Add a pattern for email validation -->
                        <xs:pattern value="[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}"/>
                    </xs:restriction>
                </xs:simpleType>
            </xs:element>
        </xs:sequence>
    </xs:complexType>
</xs:element>