Customize PieChart

I need cusmize the PieChart legend. I would like change the PieChart legend text for imagem.
I tried to change the caption with js but did not succeed.
How do I to customize this resource PieChart?
Hi Marcos,
To customize a chart's legend, you must use the AdvancedFormat property.
For more information and examples on how to use AdvancedFormat, my post about chart widgets is a good source.
In order to customize the legend, its Highcharts' API entry should be all you need.