How does Samsung phone S8+ scroll the screen shot?

Settings-Advanced Features-Smart Screenshot-Slide Switch. At the same time, hold down the volume down button+power button to take a screenshot, and a scrolling screenshot will appear at the bottom of the screen. Just click on the scrolling screenshot.

The specific operation is as follows:

1. Click Settings to find advanced features.

2. Open the smart screen shot.

3. At the same time, press and hold the Volume Down button+Power button to take a screenshot, and a scrolling screenshot will appear at the bottom of the screen. Just click on the scrolling screenshot.