Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.

Denote Lifecycle of an Element

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




Double-click on a message within a Sequence diagram to display the Message Properties dialog.


In the Lifecycle field, click on the drop-down arrow and select New or Delete.


Click on the OK button to save the changes.

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

Sequence Diagram Element Lifecycle


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