1. Dart
2. dart:html
3. VRDevice
4. isExternal property

##### VRDevice class

1. Properties
2. deviceName
3. hashCode
4. isExternal
5. on
6. runtimeType
7. Methods
8. addEventListener
9. dispatchEvent
10. noSuchMethod
11. removeEventListener
12. requestSession
13. supportsSession
14. toString
15. Operators
16. operator ==

description

# isExternal property Null safety

bool? isExternal

## Implementation

    bool? get isExternal native;