@startuml

title Agreed IPS workflow for 'Clinical Encounter for Unplanned Care' between KSA and Indonesia/Malaysia
!include ./style.iuml
actor "Pilgrim from\nOrigin Country" as P
actor "Accompanying Clinician\nfrom\nOrigin Country" as C
participant "Origin Country\nHealth Wallet" as OC
participant "Origin Country\nHIE" as OCHIE
participant "Host Country\nEMR" as HCEMR
actor "Health Worker\nin Host Country" as HW
participant "Bar code scanner" as Scanner

autonumber "<b>00:</b>"
HCEMR -> HCEMR: Upload pilgrims demographic information few weeks before Hajj
P --> HW: travels to Host Country and seeks care,\nshares verifiable health document(IPS) from\nhealth wallet (IPS via SHL)
HW --> HCEMR: identifies pilgrim with demographics and registers patient with pilgrimage number
HW --> Scanner: uses scanner to scan QR code



HCEMR -> OC: scans QR code from\npilgrim's health wallet\n(IPS via SHL)
destroy OC
HCEMR -> HCEMR: verifies QR code signature\n using cached keys
HCEMR  -> OCHIE : retrieves health document (IPS)\n(document might be pregenerated\n or generated on request)
destroy OCHIE


HCEMR-> HCEMR: verifies health document (IPS) signature\n using cached keys
HCEMR -> HCEMR: saves local copy of health document (IPS)
HCEMR->HW: display contents of health document
 
HW --> P: provides appropriate care
HW -> HCEMR: updates local record of care

@enduml