Which event should you handle?

You are creating a canvas app.
A user will click a button on each screen of a Power Apps app to proceed to the next screen.
You need to implement the action which selects the next screen that the user sees.
Which event should you handle?
A. ScreenTransition
B. OnSelect
C. OnLoad
D. OnCheck

Correct Answer: B
Explanation/Reference:
Explanation:
Add navigation
1. With the Source screen selected, open the Insert tab, select Icons, and then select Next arrow.
2. With the arrow still selected, select the Action tab, and then select Navigate.
3. The OnSelect property for the arrow is automatically set to a Navigate function.

4. When a user selects the arrow, the Target screen fades in.
5. On the Target screen, add a Back arrow, and set its OnSelect property to this formula:
6. Navigate(Source, ScreenTransition.Fade)
7. While holding down the Alt key, toggle between screens by selecting the arrow on each screen.
Reference:
https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/add-screen-context-variables