@startuml
participant REST
participant ACM_Runtime
database ACM_Database

REST -> ACM_Runtime: Decommission Automation Composition Type
alt Automation Composition Type is not in state COMMISSIONED
  ACM_Runtime -> REST: Automation Composition Type Decommissioning Failed
else
 ACM_Runtime -> ACM_Database: Delete Automation Composition Type
 ACM_Runtime -> REST: Automation Composition Type Decommissioned
end

@enduml