1. Dart
2. dart:html
3. BeforeInstallPromptEvent
4. userChoice property

##### BeforeInstallPromptEvent class

1. Constructors
2. BeforeInstallPromptEvent
3. Properties
4. bubbles
5. cancelable
6. composed
7. currentTarget
8. defaultPrevented
9. eventPhase
10. hashCode
11. isTrusted
12. matchingTarget
13. path
14. platforms
15. runtimeType
16. target
17. timeStamp
18. type
19. userChoice
20. Methods
21. composedPath
22. noSuchMethod
23. preventDefault
24. prompt
25. stopImmediatePropagation
26. stopPropagation
27. toString
28. Operators
29. operator ==

description

# userChoice property Null safety

Future<Map<String, dynamic>?> userChoice

## Implementation

    Future<Map<String, dynamic>?> get userChoice =>
        promiseToFutureAsMap(JS("", "#.userChoice", this));