data property
An array of data points for the series. For the sankey
series type,
points can be given in the following way:
An array of objects with named values. The following snippet shows only a few settings, see the complete options set below. If the total number of data points exceeds the series' turboThreshold, this option is not available.
When you provide the data as tuples, the keys option has to be set as well.
API Docs: https://api.highcharts.com/highcharts/series.sankey.data
Implementation
List<List<dynamic>>? data;