

# message property


    *[<Null safety>](https://dart.dev/null-safety)*


String message
  
_<span class="feature">final</span>_


<p>A string indicating the what led to the exception.</p>
<p>This message should be as descriptive as possible since
this exception should not be caught and will lead to a crash.</p>


## Implementation

```dart
final String message;
```