@startuml skinparam sequenceArrowThickness 2 skinparam roundcorner 5 skinparam maxmessagesize 180 skinparam sequenceParticipant bold title $update-birth actor "Integrating application user" as User #CornflowerBlue participant "Integrating application" as A #CornflowerBlue participant " NHI" as B #CornflowerBlue participant "NHI MDM" as C #CornflowerBlue ||| User -> A: Provide patient birth details to be updated activate A ||| A -> B: POST/Patient/$update-birth activate B ||| B -> B: Validate[] ||| B -> C: Request activate C ||| C -[dashed]-> B deactivate C ||| B -[dashed]-> A: Return updated Patient record deactivate B ||| A -> User: Display updated patient details to user deactivate A ||| @enduml