Here is the default PieSlice.
The slices can be customizable via 'custom' parameter.
There are helper classes to hold customizable properties.
The helper class for PieSlice is the PieSliceCustomization.
Basic
Customize the basic state with slicePathCustom property.
Init
Customize the initial state with sliceInitPathCustom property.
Hover
Customize the hover state with sliceHoverPathCustom property.
Selected
Customize the selected state with sliceSelectedPathCustom property.