About this task
To set the type of an interaction operator,
you can do any of the following actions:
- With the interaction operator selected in the diagram,
click the type text in the top left corner and enter the appropriate
type.
- With the interaction operator selected in the diagram,
click the type text and then press Ctrl+Space and select a
type from the list that is displayed.
- Open the Features window for the interaction operator,
and select a type from the Type list.
Some of the common types of interaction operators
are:
- Alt for (Alternative) multiple
fragments; only the one whose condition is true runs
- Opt for (Optional) fragment executes
only if the specified condition is true
- Par for (Parallel) each of the
contained fragments is run in parallel
- Loop for the fragment might execute
multiple times; guard indicates the basis for iteration