// here the xml request
<iq xmlns="jabber:client"
    id="0CP6e-4"
    to="xmpp.mydomain.com"
    type="get">
    <query xmlns="http://jabber.org/protocol/disco#items"></query>
</iq>


// server responds
<iq xmlns="jabber:client"
    id="0CP6e-4"
    to="test4@xmpp.chuyentiep.com/Smack"
    from="xmpp.chuyentiep.com"
    type="result">
</iq>