@startuml
!include ../../buildUML/jb-plantuml-theme.puml
left to right direction

' Define the activity
(*) --> "Get message\nbus reference"
  --> "Ask the bus\nfor a particular\ntopic's publisher"
  --> "Call target\nmethod on\npublisher"
  --> "Messaging\ncalls the\nsame method\non target\nhandlers"
--> (*)
@enduml