Notification preferences
Setting your in-platform notification preferences, and a clear statement of what does not exist: no external new-order notification for the store owner.
From Settings → Notifications you set your in-platform notification preferences.
What does not exist — stated plainly
There is currently no external new-order notification for the store owner: no WhatsApp and no SMS.
So how do you track new orders?
A new order appears in the dashboard with a new-orders counter badge next to the Orders menu, and you work from there.
Keep Orders → All Orders as your landing page during peak hours, and use the Live Visitors panel to watch store activity in real time.
What about the WhatsApp app?
The available WhatsApp app sends a confirmation message to the customer on the thank-you page — it is not a notification to you. Details in the apps store.