1. Dart
2. dart:core
3. UnsupportedError
4. UnsupportedError constructor

##### UnsupportedError class

1. Constructors
2. UnsupportedError
3. Properties
4. hashCode
5. message
6. runtimeType
7. stackTrace
8. Methods
9. noSuchMethod
10. toString
11. Operators
12. operator ==

description

# UnsupportedError constructor Null safety

UnsupportedError(

1. String message

)

## Implementation

    @pragma("vm:entry-point")
    UnsupportedError(String this.message);