Samsung Galaxy Note10 User Manual page 140

Apps and features
Viewing notifications via the pop-up window
When you receive a notification with edge lighting, you can quickly view its content and
perform available actions by opening the pop-up window. For example, if you receive a
message while watching a video or playing a game, you can view the message and reply to it
without switching the screen.
When you receive a notification with edge lighting while using an app, drag the notification
downwards.
This feature is only available to apps that support the Multi window and edge lighting
features. To view supported apps, launch the Settings app, tap Display → Edge
screen → Edge lighting → Manage notifications.
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