1. The Legend property is used to control the legend appearance in the pie chart widget. Legends are used to indicate category axis value as small icons in chart widgets.

2. To enable the legend in pie chart, Enable the toggle button of Legend, then legends will be added in the widget automatically.

3. As you apply the legends in widget, the No Repeat toggle will appear in the edit box.

4. The No Repeat 'option disables the visibility of repetitive legends.