ShipmentItem::onBasketModify

public function onBasketModify($action, BasketItem $basketItem, $name = null, $oldValue = null, $value = null)
{
	$result = new Result();

	if ($action === EventActions::ADD)
	{
		$this->setFieldNoDemand('QUANTITY', $basketItem->getQuantity());
	}

	return $result;
}