onLegendItemRender property Null safety

FunnelLegendRenderCallback? onLegendItemRender
final

Occurs while legend is rendered.

Here, you can get the legend's text, shape, series index, and point index case of circular series.

Widget build(BuildContext context) {
   return Container(
       child: SfFunnelChart(
           legend: Legend(isVisible: true),
           onLegendItemRender: (LegendRendererArgs args) => legend(args),
       ));
}
void legend(LegendRendererArgs args) {
  args.legendIconType = LegendIconType.diamond;
}

Implementation

final FunnelLegendRenderCallback? onLegendItemRender;