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Event (from Communications ) on page 459
A DestructionEvent models the destruction of an object.
No additional attributes
No additional associations
 No other OccurrenceSpecifications may appear below an OccurrenceSpecification that references a DestructionEvent on a
given Lifeline in an InteractionOperand .
Issue 7986 - Use object when discussing an instance of a class.
A destruction event represents the destruction of the instance described by the lifeline containing the OccurrenceSpecification
that references the destruction event. It may result in the subsequent destruction of other obejcts that this object owns
by composition (see
Common Behaviors on page 437).
The DestructionEvent is depicted by a cross in the form of an X at the bottom of a Lifeline .
Figure 14.14 - DestructionEvent symbol
See example in
Changes from previous UML
DestructionEvent is new in UML 2.0.