Ans: 


Step 1:  Please Open setting section from flits admin. 


Step 2: Select on " Order Tracking " option 

 

Step 3:
You can see below page. 


Step 4: Please add tracking domain & API key. (* You can find track domain and API key from aftership app admin)



* You can find API key from aftership app admin. Please review below image. 





* You can find Track Domain from aftership app admin. Please review below image.



Once you setup all things, your customer can see live tracking on customer account page like below image.