Автоматически отгрузить заказ и сменить статус отгрузки, при выполнении заказа.

 \Bitrix\Main\EventManager::getInstance()->addEventHandler('sale', 'OnSaleStatusOrderChange', ['Handler', 'OnSaleStatusOrderChange']);
class Handler {
    function OnSaleStatusOrderChange($event)
    {
        $parameters = $event->getParameters();
        if ($parameters['VALUE'] === 'F')
        {
            Loader::includeModule("sale");
            $order = \Bitrix\Sale\Order::load($orderID);
            $collection = $order->getShipmentCollection()->getNotSystemItems();
            foreach ($collection as $shipment)
            {
                $shipment->setField('DEDUCTED', 'Y');
            }
            $order->save();
        }
        return new \Bitrix\Main\EventResult(
            \Bitrix\Main\EventResult::SUCCESS
        );
    }
}