Undo an Action

If you accidentally delete something or change something while editing an Activity, don't panic! Just hit Undo! You'll find it in the Editor's toolbar as this icon:

Or you can hit Ctrl-Z as the shortcut key for Undo.

Redo an Action

What to do if you accidentally Undo something? No problem! Just click the "Redo" icon, which looks like this:

Ctrl-Y is the shortcut key for Redo.