Swipe down the screen to launch the notification list.
Tap the notification You’re in SnapView to launch SnapView screen.
On the SnapView screen, tap Text to rename the notification then tap Icon to select a notification icon.
Notes: For the icons used in Dummy notification, the Obvious option uses the icon while the Subtle option uses the icon.
After setting up the Dummy notification, switch back to Owner mode. You can see the Dummy notification once the SnapView receives messages or app updates.