public function sendOTP($mobileNo, $otp)
    {
        if ( (substr($mobileNo,0,2) == "+32") || (substr($mobileNo,0,1) == "32") ) {
            $mobileNo = $mobileNo;
        } else {
            $mobileNo = "+32".$mobileNo;
        }

        // $url = "http://121.241.242.114:8080/bulksms/bulksms?username=Mide-expert&password=erwin12&type=0&dlr=1&destination=".$mobileNo."&source=ExpertMedia&message=" . urlencode($otp);

        // $result = file_get_contents($url);

        // if ($result){
        //     return true;
        // } else {
        //     return false;
        // }

        try {
            $client = new Client(['verify' => false]);
            $params['username'] = 'Mide-expert';
            $params['password'] = 'erwin12';
            $params['type'] = '0';
            $params['dlr'] = '1';
            $params['destination'] = "{$mobileNo}";
            $params['source'] = 'ExpertMedia';
            $params['message'] = "{$otp}";
            $url = 'http://121.241.242.114:8080/bulksms/bulksms';
            $response = $client->request('GET', $url, [
                'query' => $params
            ]);

            if ($response->getStatusCode() == 200) {
                return true;
            } else {
                return false;
            }

        } catch (\Exception $exception) {
            print_r($exception->getMessage());
            //return false;
        }

    }