Model/PayPalRequest/SetExpressCheckoutRequestBuilder.php
public function addCallBackUrl()
    {
        $request = $this->getPayPalRequest();

        $request->setParameter("CALLBACK", $this->getCallbackUrl());
        $request->setParameter("CALLBACKTIMEOUT", 6);
    }
public function addCallBackUrl()
    {
        $request = $this->getPayPalRequest();

        $request->setParameter("CALLBACK", $this->getCallbackUrl());
        $request->setParameter("CALLBACKTIMEOUT", 6);
    }
public function addCallBackUrl ( ) { $ request = $ this -> getPayPalRequest ( ) ; $ request -> setParameter ( "CALLBACK" , $ this -> getCallbackUrl ( ) ) ; $ request -> setParameter ( "CALLBACKTIMEOUT" , 6 ) ; }
Adds callback parameters to request.
Adds callback parameters to request .