instant-epp/tests/resources/request/domain/update.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
    <command>
        <update>
            <update xmlns="urn:ietf:params:xml:ns:domain-1.0">
                <name>eppdev.com</name>
                <add>
                    <status s="clientDeleteProhibited"></status>
                </add>
                <rem>
                    <contact type="billing">eppdev-contact-2</contact>
                </rem>
                <chg>
                    <authInfo>
                        <pw>epP5uthd#v</pw>
                    </authInfo>
                </chg>
            </update>
        </update>
        <clTRID>cltrid:1626454866</clTRID>
    </command>
</epp>