buildErrorMessage property

(Widget Function(dynamic start, dynamic end)?) buildErrorMessage
final

For example,

RangeInput(
  ...
  id="range-input",
  buildErrorMessage: (start, end) {
    return const Text(
      'Custom error $start > $end',
       style: TextStyle(
         color: Colors.yellowAccent,
         fontSize: 20.0,
       ),
     );
   },
)

Implementation

final Widget Function(dynamic start, dynamic end)? buildErrorMessage;