How to make sequence diagram for sign up

uml visio sequence-diagram visual-paradigm
Rabih picture Rabih · Dec 31, 2013 · Viewed 14.2k times · Source

I'm preparing the sequence diagram for a project. I started with the sign up operation.

It's confusing to me because this is the first time I use this technique with a real project.

The following image is part of the registration process, would any one take a look and correct me if I did any mistake.

enter image description here

http://i.stack.imgur.com/Of3qA.jpg

Answer

Bruce picture Bruce · Dec 31, 2013

This looks good. I would suggest avoiding use of alt and doing only one scenario per sequence diagram. Label the sequence diagram with a note containing summary, precondition (what has run before), and postcondition (the state after the scenario has run).

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