You can create entry and exit actions as nodes, or as stereotyped internal transitions.

1. Create an internal transition in the desired state.
2. Double-click the internal transition to enable in-place editing.
3. Rename the internal transition using the following syntax:

stereotype/actionName(argument) 

For example:

exit/setState(idle)

1. Create the internal transition.
2. Set the event name, event arguments, and action expression properties using the Object Inspector for the internal transition.