<rpc message-id="101"
     xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
    <get>
        <filter type="subtree">
            <Purchasing-supervisor xmlns="ydt.root">
                <purchasing-specialist>bcd</purchasing-specialist>
            </Purchasing-supervisor>
        </filter>
    </get>
</rpc>