public function setContactQuery(eppContactHandle $contact)
{
#
# Object create structure
#
$transfer = $this->createElement('transfer');
$transfer->setAttribute('op', self::OPERATION_QUERY);
$this->contactobject = $this->createElement('contact:transfer');
$this->contactobject->appendChild($this->createElement('contact:id', $contact->getContactHandle()));
$transfer->appendChild($this->contactobject);
$this->getCommand()->appendChild($transfer);
}