JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.amcharts.com/lib/3/amcharts.js"></script>
<script src="http://www.amcharts.com/lib/3/pie.js"></script>
<script src="http://www.amcharts.com/lib/3/themes/light.js"></script>
<div id="chartdiv"></div>

CSS

#chartdiv {
	width		: 100%;
	height		: 500px;
	font-size	: 11px;
}

JavaScript

function handleClick(event)
        {
            alert(event.item.category + ": " + event.item.values.value);
        }
var chart = AmCharts.makeChart( "chartdiv", {
  "type": "pie",
  "theme": "light",
  "dataProvider": [ {
    "country": "Lithuania",
    "litres": 501.9
  }, {
    "country": "Czech Republic",
    "litres": 301.9
  }, {
    "country": "Ireland",
    "litres": 201.1
  }, {
    "country": "Germany",
    "litres": 165.8
  }, {
    "country": "Australia",
    "litres": 139.9
  }, {
    "country": "Austria",
    "litres": 128.3
  }, {
    "country": "UK",
    "litres": 99
  }, {
    "country": "Belgium",
    "litres": 60
  }, {
    "country": "The Netherlands",
    "litres": 50
  } ],
  "valueField": "litres",
  "titleField": "country",
   
  "export": {
    "enabled": true
  }
} );


/// The code below is not working
 function handleClick(event)
        {
            alert(event.item.category + ": " + event.item.values.value);
        }

chart.addListener("clickGraphItem", handleClick);