Order::loadEntries

protected function loadEntries(array $ids): array
{
	/** @var \Bitrix\Crm\Order\Order[] $list */
	$list = \Bitrix\Crm\Order\Order::loadByFilter([
		'filter' => ['@ID' => $ids],
	]);

	$orders = [];
	foreach ($list as $order)
	{
		$orders[$order->getId()] = $order;
	}

	return $orders;
}