) $values['PAYMENTREQUEST_0_PAYMENTACTION'] = ($this->_trxtype == 'S' || ($this->checkHasApiCredentials() === FALSE) ? 'Sale' : 'Authorization');       $values['NOTIFYURL'] = urlencode(zen_href_link('ipn_main_handler.php', '', 'SSL',false,false,true));     }     $this->values = $values;     $this->notify('NOTIFY_PAYPAL_DO