@startuml
participant "ACM Runtime"
participant Participant
participant "Participant Api"

alt "instance Id and Composition Ids exist"
  "ACM Runtime" -> Participant : [ASYNC] Migration message from source to target composition
  Participant -> "Participant Api" : Migrate AC Element
  "Participant Api" -> Participant : AC Element Migrated
  Participant -> "ACM Runtime" : [ASYNC] Migration completed
  note right
  Returns AUTOMATION_COMPOSITION_STATE_CHANGE message.
  end note
end
@enduml