Used in a sequence diagram, an object lifeline
Name an Object Lifeline shape and add other property values
Double-click the shape and then type the name you want in the UML <element> Properties dialog box.
Control which property values are displayed on the Object Lifeline shape
Right-click the shape, click Shape Display Options, and then select or clear options to show or hide values.
Display a destruction marker
Right-click the Object Lifeline shape, click Shape Display Options, and then select Destruction marker.