e2sim/sample-messages/sample-service-query.xml

<E2AP-PDU>
    <initiatingMessage>
        <procedureCode>6</procedureCode>
        <criticality><reject/></criticality>
        <value>
            <RICserviceQuery>
                <protocolIEs>
                </protocolIEs>
            </RICserviceQuery>
        </value>
    </initiatingMessage>
</E2AP-PDU>