1. Dart
2. dart:core
3. ArgumentError
4. message property

##### ArgumentError class

1. Constructors
2. ArgumentError
3. notNull
4. value
5. Properties
6. hashCode
7. invalidValue
8. message
9. name
10. runtimeType
11. stackTrace
12. Methods
13. noSuchMethod
14. toString
15. Operators
16. operator ==
17. Static methods
18. checkNotNull

description

# message property Null safety

dynamic message
final

Message describing the problem.

## Implementation

    final dynamic message