Sets the Dash Type for indexLabel’s line. It is applicable only for pie and doughnut charts when indexLabelPlacement is set to “outside”. For other chart-types, indexLabelLineThickness should be set greater than zero.
Default: solidOther Supported Dash Types:
var chart = new CanvasJS.Chart("container", { . . data:[{ type: "pie", indexLabelLineDashType: "dot", }] }); chart.render();