modules/kernel/test-resources/deployment/AddressingIdentityServiceTest/service.xml

<?xml version="1.0" encoding="UTF-8"?>
<service name="Echo">
    <parameter name="ServiceClass">org.apache.axis2.sample.echo.EchoImpl</parameter>

    <!-- Configure SPN using addressingIdentity extensibility element -->
    <parameter name="addressingIdentity">
        <Identity xmlns="http://schemas.xmlsoap.org/ws/2006/02/addressingidentity">
            <Upn>bob@EXAMPLE.COM</Upn>
        </Identity>
    </parameter>
    
</service>