ChartSeries.selectData Method
        
 Selects the specified data points or groupings of data points, de-selecting those previously selected.
 
         
        Parameters
        
            - groupingIndex
            
 
            - 
                
Type: Number
The index of a grouping to select if applicable, or do not specify to select a point at pointIndex in each grouping.
Optional: True 
            - pointIndex
            
 
            - 
                
Type: Number
The index of a data point to select.
Optional: True 
            - keepPrevious
            
 
            - 
                
Type: Boolean
True to keep the previous selection, otherwise only the specified points will be selected.
Optional: True