@startuml

participant ACM_Runtime
participant Participant
database ACM_Database

ACM_Runtime <- Participant: [ASYNC] Undeploy Automation Composition Element Instance Response
ACM_Runtime -> ACM_Database: Store Automation Composition Element Instance Response Information

alt Is AC Element Instance undeployed?
 ACM_Runtime -> ACM_Database: Mark AC Element Instance as UNDEPLOYED
  alt Are all the other AC Element Instances in this AC Instance in state UNDEPLOYED?
   ACM_Runtime -> ACM_Runtime: Set AC Instance state as UNDEPLOYED
  end
end

@enduml