@startuml
participant REST
participant ACM_Runtime
database ACM_Database

REST -> ACM_Runtime: Create Automation Composition Instance for\nspecified Automation Composition Type with\nspecified parameter values

alt Automation Composition Instance exists
 alt Automation Composition Instance is not in state UNDEPLOYED
  ACM_Runtime -> REST: Automation Composition instance exists and is already deployed
 else
  note right of REST
   Updates on "Not In Service" Automation Composition Instances are allowed
  end note
 end
end

alt Specified Automation Composition Type Exists
 alt Specified Automation Composition Type is in state PRIMED
  ACM_Runtime -> ACM_Database: Store Automation Composition Instance
  ACM_Runtime -> ACM_Database: Set Automation Composition Instance State to UNDEPLOYED
  ACM_Runtime -> REST: Automation Composition Instance Created
 else
  ACM_Runtime -> REST: Automation Composition Type is not in state PRIMED
 end
else
  ACM_Runtime -> REST: Automation Composition Type is not found
end

@enduml