public function toXMLString()
{
$str = '';
$str .= '<ns:DoNonReferencedCreditReq>';
if ($this->DoNonReferencedCreditRequest != null) {
$str .= '<ns:DoNonReferencedCreditRequest>';
$str .= $this->DoNonReferencedCreditRequest->toXMLString();
$str .= '</ns:DoNonReferencedCreditRequest>';
}
$str .= '</ns:DoNonReferencedCreditReq>';
return $str;
}
