How to show broadcast (simultaneous sending of two messages) in sequence diagrams in PlantUml

user_3968276 0
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I have this bit of plantuml:

@startuml

title Sequence diagram

A -> B : First
B -> C : Second
B -> A : Third

@enduml

It renders like this:

Sequence diagram with unaligned sequence arrows

I would like to get this instead, with two arrows "happening concurrently":

Sequence diagram with aligned arrows

Any hints on how to achieve this are appreciated!

plantuml sequence-diagram
1 Answers

You might find an answer with the Teoz pragma https://plantuml.com/teoz

@startuml
!pragma teoz true
title Sequence diagram

A -> B : First
B -> C : Second
&B -> A : Third

@enduml

Broadcast

user_11683420
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