public function setDomain(eppDomain $domain, $expdate = null)
{
#
# Object create structure
#
$this->domainobject->appendChild($this->createElement('domain:name', $domain->getDomainname()));
if ($expdate) {
$this->domainobject->appendChild($this->createElement('domain:curExpDate', $expdate));
}
if ($domain->getPeriod() > 0) {
$domainperiod = $this->createElement('domain:period', $domain->getPeriod());
$domainperiod->setAttribute('unit', $domain->getPeriodUnit());
$this->domainobject->appendChild($domainperiod);
}
}