Single click web viewer back button (without using notifier)

when we create web viewer app using notifier for back button . it will notify exit (yes or no). instead of notifying it just go back to Screen1 . like an android app back button.
any solution ? pls let me tell

Please make your question clear for others.

check again

Ya wait i will provide you blocks screenshot.

exit.aia (2.0 KB)

aia & Screenshot

Use If Then Condition…
If Webviewer can go back… Then open Screen1

Or,

When Back Pressed… Open Screen1