public function updateEmployee($id, $firstName, $lastName, $secondName = '')
    {
        $result = false;
        $this->addHeader();
        try {
            $data                             = new \stdClass();
            $data->id                         = $id;
            $data->data                       = new \stdClass();
            $data->data->FirstName            = $firstName;
            $data->data->LastName             = $lastName;
            $data->data->SecondName           = $secondName;
            $data->data->ModificationDateTime = date('Y-m-d\TH:i:s.811P');

            $this->getSoap()->SaveAcsEmployee($data);
            $result = true;
        } catch (\SoapFault $ex) {
            $this->logError();
        }
        return $result;
    }