Helper/Config.php
private function getAdditionalConfigProperty($name, $storeId = null)
    {
        $config = $this->getAdditionalConfigObject($storeId);
        return @$config->$name;
//        return ($config && property_exists($config, $name)) ? $config->$name: '';
    }
private function getAdditionalConfigProperty($name, $storeId = null)
    {
        $config = $this->getAdditionalConfigObject($storeId);
        return @$config->$name;
//        return ($config && property_exists($config, $name)) ? $config->$name: '';
    }
private function getAdditionalConfigProperty ( $ name , $ storeId = null ) { $ config = $ this -> getAdditionalConfigObject ( $ storeId ) ; return @ $ config -> $ name ; //        return ($config && property_exists($config, $name)) ? $config->$name: ''; }
Get Additional Config property

@param $name
@param int|string $storeId

@return string
Get Additional Config property