legendItemText property Null safety

String? legendItemText

Text to be displayed in legend. By default, the series name will be displayed in the legend. You can change this by setting values to this property.

Widget build(BuildContext context) {
  return SfCartesianChart(
    legend: Legend(isVisible:true),
    series: <LineSeries<SalesData, String>>[
      LineSeries<SalesData, String>(
        legendItemText: 'Legend'


final String? legendItemText;