{
  "resourceType" : "Parameters",
  "id" : "ContextualPopulateRequest",
  "parameter" : [{
    "name" : "questionnaire",
    "valueCanonical" : "http://fhir.tiro.health/Questionnaire/lca-staging|1.2.0"
  },
  {
    "name" : "subject",
    "valueReference" : {
      "reference" : "Patient/patient-123",
      "display" : "Jan Janssen"
    }
  },
  {
    "name" : "mode",
    "valueString" : "contextual-populate"
  },
  {
    "name" : "context",
    "part" : [{
      "name" : "name",
      "valueString" : "clinical-artifacts"
    },
    {
      "name" : "content",
      "valueReference" : {
        "reference" : "DocumentReference/doc-001",
        "display" : "Referral letter from AZ Monica"
      }
    }]
  }]
}