How to set up email notification if you use Oberlo?

You can add a tracking link to your Shopify email templates. If you use Oberlo, you only need to change one URL to make this work. Do a search (ctrl F or ⌘ F) for the phrase {{ fulfillment.tracking_url }}. Replace that URL with {{shop.url}}/apps/parcelpanel?order={{ order.name | remove: "#" }}&email={{ email }}. Check the difference below:  Here is what it looks in the Shipping Confirmation email after you complete the steps, you can see the link is replaced by ParcelPanel Order tracking page.