This sample is to use the JavaScript function for displaying the value label in Pie Chart.

Sets the value of the labelJsFunction property to the name of the JavaScript function.

●Layout
<Pie2DSeries field="Profit" nameField="Month" displayName="Profit" 
labelPosition="inside" labelJsFunction="pieSeriesLabelFunc" color="#ffffff">

●Script
 Parameters
seriesID: Series ID
index: The index of the item in the series.
data: The record of the dataset declared for creating the chart.
values: The value is an array and each element in the array is different depending on the chart type.

PieSeries     0: value, 1: percentage
function pieSeriesLabelFunc(seriesId, index, data, values)
{
	return data["Month"]+", "+Number(values[1]).toFixed(2)+"%";
}