Seitenvergleich

@startuml
autonumber
box Buyer of new line
participant b as "Ordering"
      
box Seller TMF622
participant po as "ProductOrder"
  
box Buyer of old line
participant bo as "Ordering"

opt
 
 
po -> b: POST ProductOrderAttributeValueChangeEvent()
  note right: e.g.: expectedCompletionDate
 end
 
po -> b: POST ProductOrderMilestoneEvent(estimatedAlertEndDateorderConfirmationUpdate)
note right: ABM
 
alt category=VBL or category=PV
 
opt  
 
  po -> bo: POST ProductOrderAttributeValueChangeEvent()
 
  note right: e.g.: expectedCompletionDate

 end 
  po -> bo: POST ProductOrderMilestoneEvent(estimatedAlertEndDateorderConfirmationUpdate)
  note right: ABM-PV
end
@enduml