JSFiddle - React, Tailwind, and code Playground by Amit Kushwaha September 09, 2019 HTML <script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script> <br/><!-- Just so that JSFiddle's Result label doesn't overlap the Chart --> <div id="chartContainer" style="height: 360px; width: 100%;"></div> JavaScript var dataPoint = [ {y:33.33282469150909, label:"shard1"}, {y:43.33282469150909, label:"shard2"}, {y:53.334350570415694, label:"shard3"} ]; var chart = new CanvasJS.Chart("chartContainer", { animationEnabled: true, data: [{ type: "pie", //startAngle: -90, //yValueFormatString: "##0.00\"%\"", indexLabel: "{label}: {y}%", click: onClick, dataPoints: dataPoint }] }); chart.render(); function onClick(e) { alert( e.dataSeries.type + ", dataPoint { x:" + e.dataPoint.x + ", y: "+ e.dataPoint.y + " }" ); }