@startuml
!pragma teoz true
skinparam NoteTextAlignment left
skinparam Padding 2
skinparam ParticipantPadding 30
skinparam LifelineStrategy solid

participant "FHIR Server"   as S
participant "Empty"  as E
participant "ID Only"       as I
participant "Full Resource" as F

S -> : Send ""event-notification""

  ?-> E : ""empty""
& ?-> I : ""id-only""
& ?-> F : ""full-resource""

  E --> S: HTTP 200: OK
& I --> S:
& F --> S:

  E -> S: FHIR Search 
  S --> E: Query Results

  E -> S: Fetch FHIR Resources
& I -> S:

  S --> E: Return FHIR Resources
& S --> I:

  note over S: Additional Requests:
& note over E: **2**
& note over I: **1**
& note over F: **0**


@enduml