public function verifyEnrollment(array $array)
    {
        $this->formatRequest($array);
        $WSRequest = array(
            'payment'       => $this->payment($array['payment']),
            'card'          => $this->card($array['card']),
            'orderRef'      => $array['orderRef'],
            'userAgent'     => $array['userAgent'],
            'mdFieldValue'  => $array['mdFieldValue'],
            'walletId'      => $array['walletId'],
            'walletCardInd' => $array['walletCardInd'],
            'merchantName'  => $array['merchantName'],
            'returnURL'     => $array['returnURL']
        );
        if (isset($array['generateVirtualCvx'])) {
            $WSRequest['generateVirtualCvx'] = $array['generateVirtualCvx'];
        }
        return $this->webServiceRequest($array, $WSRequest, self::DIRECT_API, 'verifyEnrollment');
    }