The external edge screen, with its quick app launching feature, can also be used as a notification display.
To activate edge screen notifications on the Samsung Galaxy Note 8, follow these steps:
Step 1: Go to settings and select display.
Step 2: Select the edge screen option.
Choose the edge screen.
Step 3: Turn on edge screen notifications.
Enable edge screen notifications.
With that, the setup process is complete. Best wishes for your success.