DashboardCanvasService.groupTemplateCells Method
        
 Group a set of template cells.
 
         
        Parameters
        
            - templateCells
            
 
            - 
                
Type: Array
ElementType: TemplateCell
The list of template cells to create a group out of. 
            - isNotUndoable
            
 
            - 
                
Type: Boolean - May be null
(Optional) True to make this not undoable.