Lifecycle of an Element

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You can capture element lifetimes using messages that are denoted as New or Delete message types. To do this, follow the steps below:

1.Double-click on a message within a Sequence diagram to display the Message Properties dialog.
2.In the Lifecycle field, click on the drop-down arrow and select New or Delete.
3.Click on the OK button to save the changes.

The example below shows two elements that have specific creation and deletion times.

Note: To show the termination X on the lifeline in the example below, you must switch on garbage collection: Tools | Options | Diagram | Sequence | Garbage Collect.

SequenceDiagram3

See Also