@startuml
participant REST
participant ACM_Runtime
database ACM_Database

REST -> ACM_Runtime: Delete Automation Composition Instance

alt Automation Composition Instance exists
 alt Automation Composition Instance is not in state UNDEPLOYED
  ACM_Runtime -> REST: Automation Composition instance exists and is deployed
 else
  ACM_Runtime -> REST: Automation Composition instance does not exist
 end
else
 ACM_Runtime -> ACM_Database: Delete Automation Composition Instance
 ACM_Runtime -> REST: Automation Composition Instance Deleted
end

@enduml