app/code/community/Adyen/Payment/Model/Adyen/Cc.php
public function getFormUrl()
    {
        $this->_initOrder();
        $order = $this->_order;
        $payment = $order->getPayment();
        return $payment->getAdditionalInformation('issuerUrl');
    }
public function getFormUrl()
    {
        $this->_initOrder();
        $order = $this->_order;
        $payment = $order->getPayment();
        return $payment->getAdditionalInformation('issuerUrl');
    }
public function getFormUrl ( ) { $ this -> _initOrder ( ) ; $ order = $ this -> _order ; $ payment = $ order -> getPayment ( ) ; return $ payment -> getAdditionalInformation ( 'issuerUrl' ) ; }
This method is called for redirect to 3D secure

@return mixed
This method is called for redirect to 3D secure