ChartSeries.getPoint Method
        
 Gets the specified data point of this series or one of its grouped series.
 
         
        Parameters
        
            - groupingIndex
            
 
            - 
                
Type: Number (Integer)
(optional) The index of the grouping of points within this instance.
Optional: True 
            - pointIndex
            
 
            - 
                
Type: Number (Integer)
(optional) The index of the data point, otherwise the first data point will be returned if none is specified.
Optional: True 
        
        Return Value
        
Type: ChartPoint - May be null
A data point, or null if none exists as requested.