@startuml
skinparam sequenceArrowThickness 2
skinparam roundcorner 5
skinparam maxmessagesize 180
skinparam sequenceParticipant bold
title Query Facility using NZHIS (Legacy) identifier sequence diagram 
actor "Integrating application user" as User #CornflowerBlue
participant "Integrating application" as A #CornflowerBlue
participant "<FHIR API> HPI" as B #CornflowerBlue
participant "HPI MDM" as C #CornflowerBlue
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User -> A: User enters NZHIS (Legacy) identifier and identifier system
activate A
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A -> B: GET<Endpoint>/Location?identifier=[system]|[identifier]
activate B
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B -> B: Validate[]
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B -> C: Get[Location]
activate C
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C -[dashed]-> B:  
deactivate C
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B -[dashed]-> A:Return Bundle containing the Facility record
deactivate B
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A -> User: Display Facility details to user
deactivate A
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@enduml