var instance = new GC.Spread.Slicers.GeneralSlicerData(data, columnNames);
var value; // Type: number
value = instance.aggregateData(columnName, aggregateType, range);

function aggregateData( 
   columnName : string,
   aggregateType : SlicerAggregateType,
   range : object
) : number;

Parameters

columnName

The column name.

aggregateType

The aggregate type.

range

The specific range.
range.min: number type, the minimum value.
range.max: number type, the maximum value.

Return Value

Reference

GeneralSlicerData type