ChartViewportSettings.zoom Method
        
 Zooms into the chart so that the visible parts of the axis starts and ends at the positions of the specified values.
 
         
        Parameters
        
            - startValue
            
 
            - 
                
Type: Object
The axis value that represents of the start of the visible area. 
            - endValue
            
 
            - 
                
Type: Object
The axis value that represents of the end of the visible area. 
            - isAnimated
            
 
            - 
                
Type: Boolean
A value indicating whether to animate the change in zoom level if animations are enabled.
Optional: True