protected function make( $isPost = false ){

       $ch = curl_init( $this->requestUrl );

       if( $isPost ){
        curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
        curl_setopt($ch,CURLOPT_POST, 1);
        curl_setopt($ch,CURLOPT_POSTFIELDS, $isPost );
       }

      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $this->verifySSL);
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
      curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

       $output = curl_exec($ch);


      if( $output === false ){
          throw new \ErrorException( curl_error($ch) );
      }


      curl_close($ch);
      return $output;

    }