Uml Sequence Diagram Alternative Flow. As usual make sure you ve enabled the uml shape library. Can i create several alternative flows and exceptional error flows on a single message any type of message like reflexive self message or regular message.
Let s say the system to be automated is a public phone pp there are 2 actors. An alternative flow such as at step x of basic flow user clicks cancel instead of ok. A fragment element can represents iterations or alternative processes in a sequence diagram.
Rose does not provide this option.
It also models the if then else logic in the sequence diagram. It is used to show complex interactions such as alternative flows and loops in a more structured way. A fragment element can represents iterations or alternative processes in a sequence diagram. Creating uml sequence diagrams in draw io.