14+ Sequence Diagram Delete Object. Deactivate would mean the message recipient. It can be shown by an arrow with an x at the end.
A diagram of this type deals with certain sequences, which are messages that flow from a certain object to another. A uml sequence diagram captures the behavior of a single scenario by showing objects involved and the messages that are passed in between. The delete message symbol is used to delete an object.
Sequence diagrams describe interactions among classes in terms of an exchange of messages over time.
14+ Sequence Diagram Delete Object. The order in which these interactions take place. It can be shown by an arrow with an x at the end. Procedure for showing sequence numbers in the diagram. Thick box over object's life line.