@startuml
autonumber
box Buyer
participant b as "Ordering"
box Seller TMF622
participant apopo as "AddProductOrderNoteProductOrder"
participant poapo as "ProductOrderAddProductOrderNote"
b -> apo : POST AddProductOrderNote ()
apo-->b : 201 Created (achnowledged)
apo -> b: POST AddProductOrderNoteStateChangeEvent (inProgress)
po -> b: POST ProductOrderAttributeValueChangeEvent
note right: note.text="MFH, 3. OG, links", note.@type=InstallationInstruction
apo -> b: POST AddProductOrderNoteStateChangeEvent (done)
@enduml | 