QRPayment.php
public function setNotifyType($notifyType)
    {
        if (!\in_array($notifyType, [self::NOTIFY_EMAIL, self::NOTIFY_PHONE], true)) {
            throw new RuntimeException(Tools::poorManTranslate('fts-shared', 'Invalid notify type.'));
        }

        return $this->add('NT', $notifyType);
    }
public function setNotifyType($notifyType)
    {
        if (!\in_array($notifyType, [self::NOTIFY_EMAIL, self::NOTIFY_PHONE], true)) {
            throw new RuntimeException(Tools::poorManTranslate('fts-shared', 'Invalid notify type.'));
        }

        return $this->add('NT', $notifyType);
    }
Set notify type (bank-specific)

@param string $notifyType Notify type - see constants NOTIFY_*
@return QRPayment
@throws RuntimeException