Chapter 5 Building Dynamic Diagrams


Interaction Fragments

An interaction fragment allows you to group related messages in a sequence diagram. Various predefined fragment types are available allowing you to specify alternate outcomes, parallel messages, or looping.

An interaction fragment can be created in the following diagrams:

In the example below, the User sends a request to the Account Page. The two alternative responses and the conditions on which they depend, are contained within an interaction fragment.


 


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