participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate использовать вложенные линии существования, и можно указывать цвет для этих линий. @startuml participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest (1.2023.11) 21 / 553 1.26 Return 1 ДИАГРАММЫ ПОСЛЕДОВАТЕЛЬНОСТЕЙ deactivate B deactivate A A -> User: Done deactivate A @enduml Autoactivation is possible and works with the return keywords: Автоактивация

participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest >> activate B B --> A: RequestCreated deactivate B deactivate A A -> User: Done 60 skinparam sequenceParticipant underline actor User participant "First Class" as A participant "Second Class" as B participant "Last Class" as C User -> A: DoWork activate A A -> B: Create Request activate

diagrams with PlantUML is remarkably straightforward. This ease of use is largely attributed to the user-friendly nature of its syntax, designed to be both intuitive and easy to remember. • Intuitive Syntax: making changes through a graphical interface with a mouse. PlantUML facilitates a straightforward and user-friendly approach to creating and editing sequence dia- grams, meeting the needs of both novices and participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate

participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest >> activate B B --> A: RequestCreated deactivate B deactivate A A -> User: Done 60 skinparam sequenceParticipant underline actor User participant "First Class" as A participant "Second Class" as B participant "Last Class" as C User -> A: DoWork activate A Guía de Referencia del Lenguaje

diagrams with PlantUML is remarkably straightforward. This ease of use is largely attributed to the user-friendly nature of its syntax, designed to be both intuitive and easy to remember. • Intuitive Syntax: making changes through a graphical interface with a mouse. PlantUML facilitates a straightforward and user-friendly approach to creating and editing sequence dia- grams, meeting the needs of both novices and participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate

participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest >> activate B B --> A: RequestCreated deactivate B deactivate A A -> User: Done 60 skinparam sequenceParticipant underline actor User participant "First Class" as A participant "Second Class" as B participant "Last Class" as C User -> A: DoWork activate A PlantUML 语言参考指引 (1.2023

participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest >> activate B B --> A: RequestCreated deactivate B deactivate A A -> User: Done 60 skinparam sequenceParticipant underline actor User participant "First Class" as A participant "Second Class" as B participant "Last Class" as C User -> A: DoWork activate A A -> B: Create Request activate

participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest >> activate B B --> A: RequestCreated deactivate B deactivate A A -> User: Done 60 skinparam sequenceParticipant underline actor User participant "First Class" as A participant "Second Class" as B participant "Last Class" as C User -> A: DoWork activate A A -> B: Create Request activate

participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest >> activate B B --> A: RequestCreated deactivate B deactivate A A -> User: Done 60 skinparam sequenceParticipant underline actor User participant "First Class" as A participant "Second Class" as B participant "Last Class" as C User -> A: DoWork activate A Справочное руководство по

participant User User -> A: DoWork activate A A -> B: << createRequest >> activate B B -> C: DoWork activate C C --> B: WorkDone destroy C B --> A: RequestCreated deactivate B A -> User: Done deactivate participant User User -> A: DoWork activate A #FFBBBB A -> A: Internal call activate A #DarkSalmon A -> B: << createRequest >> activate B B --> A: RequestCreated deactivate B deactivate A A -> User: Done skinparam roundcorner 20 skinparam maxmessagesize 60 skinparam sequenceParticipant underline actor User participant "First Class" as A PlantUML Language Reference Guide (1.2020.23) 26 / 310 1.33 Skinparam