@startuml
hide footbox
title Order Filler Management (RAD-3)
participant OF as "OF (Order Manager)" #99FF99
participant OP as "OP (SUT)"
OF -> OP : ORM^O01^ORM_O01 (New)
activate OP
OP --> OF : ORR^O02^ORR_O02
deactivate OP
OF -> OP : ORM^O01^ORM_O01 \n(Cancel or Status update)
activate OP
OP --> OF : ACK^O01^ACK
deactivate OP
@enduml