{
  "resourceType": "StructureDefinition",
  "id": "wt-metric-observation",
  "url": "https://corhealth-ontario.ca/fhir/StructureDefinition/wt-metric-observation",
  "name": "WtMetricObservation",
  "title": "Wait Time Metric Base Observation",
  "status": "active",
  "description": "Wait Time Metric Base Observation",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation.status",
        "path": "Observation.status",
        "patternCode": "preliminary"
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "binding": {
          "strength": "required",
          "valueSet": "https://corhealth-ontario.ca/fhir/ValueSet/WtMetricDataElementObservationVS"
        }
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://corhealth-ontario.ca/fhir/StructureDefinition/corhealth-patient"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]",
        "path": "Observation.value[x]",
        "mustSupport": true
      }
    ]
  }
}