@startuml
hide footbox
title Lab Order Management (LAB-1/LAB-2)
participant OF as "OF (Order Manager)" #99FF99
participant OP as "OP (SUT)"
OF -> OP : OML (O21, O33, O35)
activate OP
OP --> OF : ORL (O22, O34, O36)
deactivate OP
@enduml