Collection selectionList = task.getSelectionList( scalar.getName() );
				
				if ( selectionList != null ) {
					
					for ( Iterator sliter = selectionList.iterator(); sliter.hasNext(); ) {
						IParameterSelectionChoice selectionItem = (IParameterSelectionChoice) sliter.next( );
						
						Object value = selectionItem.getValue();
						String label = selectionItem.getLabel();
						//How to retrieve if the IParameterSelectionChoice is the default value ? 
					}
				}