The function which returns the
from label content of the Chart series. You can split the text into multiple lines by using line feed characters (
The available fields in the function argument are:
category—The category name. Available for the Area, Bar, Column, Bubble, Donut, Funnel, Line, and Pie series.
dataItem—The original data item used to construct the point. If binding to an array, it will be
percentage—The point value represented as a percentage value. Available for the Donut, Funnel, and Pie series.
series—The data series.
value—The point value. Can be a number or object which contain each bound field.
runningTotal—The sum of point values since the last
"runningTotal" summary point. Available for the Waterfall series.
total—The sum of all previous series values. Available for the Waterfall series.