How to show If else condition in a UML system sequence diagram

if-statement sequence-diagram uml
NASSER picture NASSER · Jun 1, 2010 · Viewed 16k times · Source

Is it possible to describe an if-else structure in a system sequence diagram? If yes, how is this done?

Answer

Esther Fan - MSFT picture Esther Fan - MSFT · Jun 28, 2010

Here's more info about combined fragments from the VS 2010 sequence diagram documentation:

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