This sample is to display the value label outside the slice.
Sets the labelPosition property to "callout".
none: no label
inside: inside the slice
outside: outside the slice
callout: outside the slice with callout line
insideWithCallout: inside the slice but if not enough space in the slice, the "callout" method is used.

ā—¸Layout
<Pie2DSeries field="Profit" nameField="Month" displayName="Profit" 
		labelPosition="callout" color="#ffffff" />