public function setKeyIsLost($cardNumber, $employeeId, $index = 1)
    {
        $result     = false;
        $cardNumber = $this->prepareKey($cardNumber);
        $this->addHeader();
        try {
            $result = $this->getSoap()->SetStatusOfAcsKeyAsLost([
                'keyNumber' => $cardNumber,
                'indexNumber' => $index,
                'employeeID' => $employeeId
            ]);
        } catch (\SoapFault $ex) {
            $this->logError();
        }
        return $result;
    }