SaleManager::getOrderFormattedDiscountPrice

public function getOrderFormattedDiscountPrice(SaleOrder $order)
{
	$discountPrice = 0;
	foreach($order->getBasket() as $item)
	{
		$discountPrice += ($item->getField('DISCOUNT_PRICE') * $item->getField('QUANTITY'));
	}
	if($discountPrice > 0)
	{
		return SaleFormatCurrency($discountPrice, $order->getField('CURRENCY'));
	}

	return false;
}