app/code/community/Adyen/Payment/Model/Adyen/Abstract.php
public function getConfigDataDemoMode($storeId = null)
    {
        if ($storeId == null && Mage::app()->getStore()->isAdmin()) {
            $storeId = $this->getInfoInstance()->getOrder()->getStoreId();
        }

        return Mage::helper('adyen')->getConfigDataDemoMode($storeId);
    }
public function getConfigDataDemoMode($storeId = null)
    {
        if ($storeId == null && Mage::app()->getStore()->isAdmin()) {
            $storeId = $this->getInfoInstance()->getOrder()->getStoreId();
        }

        return Mage::helper('adyen')->getConfigDataDemoMode($storeId);
    }
public function getConfigDataDemoMode ( $ storeId = null ) { if ( $ storeId == null && Mage :: app ( ) -> getStore ( ) -> isAdmin ( ) ) { $ storeId = $ this -> getInfoInstance ( ) -> getOrder ( ) -> getStoreId ( ) ; } return Mage :: helper ( 'adyen' ) -> getConfigDataDemoMode ( $ storeId ) ; }
Used via Payment method.Notice via configuration ofcourse Y or N
@return boolean true on demo, else false
Used via Payment method . Notice via configuration ofcourse Y or N