PlantUML activity diagram for battlement

battlement-concept.puml

@startuml
!theme crt-green
skinparam actorStyle Hollow
allowmixing
rectangle Battlement {
    object InternalAgent {
        response = false
    }

    object ExternalAgent {
        response = false
    }

    object GateKeeper {
        inResponse = false
        extResponse = false
        response = false
    }

    GateKeeper o-- InternalAgent : "truth"
    GateKeeper o-- ExternalAgent : "truth"
}

actor Anon

Anon o.. ExternalAgent : "truth"

@enduml