Denote Lifecycle of an Element

To capture element lifetimes using messages that are denoted as New or Delete message types, follow the steps below

Step

Action

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.

 

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

SequenceDiagramElementLifecycle

Notes

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