user-friendly nature of its syntax, designed to be both intuitive and easy to remember. • Intuitive Syntax: First and foremost, users appreciate the straightforward and intuitive syntax that PlantUML employs Note over all participants [across] You can directly make a note over all participants, with the syntax: • note across: note_description @startuml Alice->Bob:m1 Bob->Charlie:m2 note over Alice, Charlie: notes aligned at the same level [/] You can make several notes aligned at the same level, with the syntax /: • without / (by default, the notes are not aligned) @startuml note over Alice : initial state

benutzerfreundliche Syntax zurückzuführen, die sowohl intuitiv als auch leicht zu merken ist. • Intuitive Syntax: In erster Linie schätzen die Benutzer die einfache und intuitive Syntax, die PlantUML verwendet Note over all participants [across] You can directly make a note over all participants, with the syntax: • note across: note_description @startuml Alice->Bob:m1 Bob->Charlie:m2 note over Alice, Charlie: notes aligned at the same level [/] You can make several notes aligned at the same level, with the syntax /: • without / (by default, the notes are not aligned) @startuml note over Alice : initial state

Note over all participants [across] You can directly make a note over all participants, with the syntax: • note across: note_description @startuml Alice->Bob:m1 Bob->Charlie:m2 note over Alice, Charlie: notes aligned at the same level [/] You can make several notes aligned at the same level, with the syntax /: • without / (by default, the notes are not aligned) PlantUML Language Reference Guide (1.2021 optional text label. The return point is that which caused the most recent life-line activation. The syntax is return label where label if provided is any string acceptable for conventional messages. @startuml

text label. The point returned to is the point that cause the most recently activated life-line. The syntax is simply return label where label, if provided, can be PlantUML Language Reference Guide (1.2019 Alice --> Bob : ok @enduml 1.22 Shortcut syntax for activation, deactivation, creation Immediately after specifying the target participant, the following syntax can be used: • ++ Activate the target (optionally 2019.4) 18 / 166 1.24 Stereotypes and Spots 1 SEQUENCE DIAGRAM You can also have the following syntax: @startuml [-> Bob [o-> Bob [o->o Bob [x-> Bob [<- Bob [x<- Bob Bob ->] Bob ->o] Bob o->o] Bob

Note over all participants [across] You can directly make a note over all participants, with the syntax: • note across: note_description @startuml Alice->Bob:m1 Bob->Charlie:m2 note over Alice, Charlie: notes aligned at the same level [/] You can make several notes aligned at the same level, with the syntax /: • without / (by default, the notes are not aligned) @startuml note over Alice : initial state text label. The point returned to is the point that cause the most recently activated life-line. The syntax is simply return label where label, if provided, can be any string acceptable on conventional messages

Note over all participants [across] You can directly make a note over all participants, with the syntax: • note across: note_description @startuml Alice->Bob:m1 Bob->Charlie:m2 note over Alice, Charlie: notes aligned at the same level [/] You can make several notes aligned at the same level, with the syntax /: • without / (by default, the notes are not aligned) PlantUML Language Reference Guide (1.2021 optional text label. The return point is that which caused the most recent life-line activation. The syntax is return label where label if provided is any string acceptable for conventional messages. @startuml

Note over all participants [across] You can directly make a note over all participants, with the syntax: • note across: note_description @startuml Alice->Bob:m1 Bob->Charlie:m2 note over Alice, Charlie: notes aligned at the same level [/] You can make several notes aligned at the same level, with the syntax /: • without / (by default, the notes are not aligned) PlantUML Language Reference Guide (1.2021 optional text label. The return point is that which caused the most recent life-line activation. The syntax is return label where label if provided is any string acceptable for conventional messages. @startuml

PlantUML Language Reference Guide (1.2019.9) 16 / 174 1.21 Participant creation 1 SEQUENCE DIAGRAM The syntax is return label where label if provided is any string acceptable for conventional messages. @startuml Alice --> Bob : ok @enduml 1.22 Shortcut syntax for activation, deactivation, creation Immediately after specifying the target participant, the following syntax can be used: • ++ Activate the target (optionally (1.2019.9) 18 / 174 1.24 Anchors and Duration 1 SEQUENCE DIAGRAM You can also have the following syntax: @startuml [-> Bob [o-> Bob [o->o Bob [x-> Bob [<- Bob [x<- Bob Bob ->] Bob ->o] Bob o->o] Bob

text label. The point returned to is the point that cause the most recently activated life-line. The syntax is simply return label where label, if provided, can be PlantUML Language Reference Guide (1.2019 Alice --> Bob : ok @enduml 1.22 Shortcut syntax for activation, deactivation, creation Immediately after specifying the target participant, the following syntax can be used: • ++ Activate the target (optionally 2019.6) 18 / 173 1.24 Stereotypes and Spots 1 SEQUENCE DIAGRAM You can also have the following syntax: @startuml [-> Bob [o-> Bob [o->o Bob [x-> Bob [<- Bob [x<- Bob Bob ->] Bob ->o] Bob o->o] Bob

Note over all participants [across] You can directly make a note over all participants, with the syntax: • note across: note_description @startuml Alice->Bob:m1 Bob->Charlie:m2 note over Alice, Charlie: notes aligned at the same level [/] You can make several notes aligned at the same level, with the syntax /: • without / (by default, the notes are not aligned) @startuml note over Alice : initial state text label. The point returned to is the point that cause the most recently activated life-line. The syntax is simply return label where label, if provided, can be any string acceptable on conventional messages