DashboardCanvasService.addMenuLayer Method
        
 Add a menu layer. 
         
        Parameters
        
            - layerName
            
 
            - 
                
Type: String - May be null
(Optional) The name of the layer. If null, name will be auto generated. 
            - layerFiendlyName
            
 
            - 
                
Type: String
 (Optional) The friendly name of the layer. If null, name will be auto generated. 
            - isNotUndoable
            
 
            - 
                
Type: Boolean - May be null
(Optional) True to make this action not undoable. 
        
        Return Value
        
Type: Layer - May be null
The layer added.