public void actionPerformed(ActionEvent arg0) {
				String label = Utils.getString("Input label of action");
				
				if (label == null) {
					return;
				}
				
				String sVal = Utils.getString("Input value of action (0-255)");
				
				if (sVal == null) {
					return;
				}
								
				model.addRow(new Object[] { "?", label, sVal });
				
				update();
			}