@startuml
skinparam sequenceArrowThickness 2
skinparam roundcorner 5
skinparam maxmessagesize 180
skinparam sequenceParticipant bold
title Lookup EDI number for an enrolled Patient's GP sequence diagram
actor "Integrating application user" as User #CornflowerBlue
participant "Integrating application" as A #CornflowerBlue
participant "<Enrolment web service> (NES)" as B #CornflowerBlue
participant "<FHIR API> HPI" as C #CornflowerBlue
participant "HPI MDM" as D #CornflowerBlue
|||
User -> A: Lookup EDI number for GP Patient is enrolled with[]
activate A
|||
A -> B: Get Enrolment for NHI []
activate B
|||
B -> A: Return enrolling [hpi-organisation-id], [hpi-facility-id], [hpi-person-id]
deactivate B
|||
A -> C: Get<Endpoint>/Location/[hpi-facility-id]
activate C
|||
C -> C: Validate[]
|||
C -> D: Request
activate D
|||
D -[dashed]-> C:  
deactivate D
|||
C -[dashed]-> A:Return Facility [Location resource]
deactivate C
|||
A -[dashed]-> A: Extract the messaging address containing the EDI number for the GP clinic
|||
A -> User: Display EDI number to user
deactivate A
|||
@enduml