SimplePropertyPanel.open Method
        
 Opens the panel for the adapter.
 
         
        Parameters
        
            - event
            
 
            - 
                
Type: Event
(optional) The event args for positioning.
Optional: True 
            - relatedEventData
            
 
            - 
                
Type: RelatedContextData
(optional) The related context data for positioning.
Optional: True 
            - element
            
 
            - 
                
Type: Element
(optional) An element to display the panel for.
Optional: True