@startuml SSD3

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title System Sequence Diagram (SSD) - Alternative 3 - Member tries to upvote a previously upvoted comment

autonumber

actor "Member" as Member
participant "System" as System

activate Member
    
    Member -> System: Clicks upvote arrow on a previously upvoted comment
    activate System

        System --> Member: Doesn't validate the vote
        deactivate System

deactivate Member

@enduml
