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