posted 20 years ago
Matthew,
the answer is you May or May not. You can depict Login and Create profile as a seperate Sequence Diagram or can add it with a Main Flow sequence diagram. You can also depict them as comments in the Main Flow sequence diagram as a "pre-condition" or "post-condition". Comments within a sequence diagram could include
After being logged user performs .........
or
If user has awards travel card, user proceeds to pay using it.....
Thanks
Sankha Subhra Das