{
  "resourceType": "Linkage",
  "id": "linkage-example-confidence",
  "active": true,
  "item": [
    {
      "type": "source",
      "resource": {
        "reference": "Patient/p1"
      },
      "extension": [
        {
          "url": "http://fhir.health.gov.il/StructureDefinition/linkageConfidence",
          "extension": [
            {
              "url": "score",
              "valueDecimal": 1.0
            },
            {
              "url": "basis",
              "valueCodeableConcept": {
                "text": "Exact national ID match"
              }
            },
            {
              "url": "note",
              "valueString": "Records share the same national identifier."
            }
          ]
        }
      ]
    },
    {
      "type": "alternate",
      "resource": {
        "reference": "Patient/p2"
      },
      "extension": [
        {
          "url": "http://fhir.health.gov.il/StructureDefinition/linkageConfidence",
          "extension": [
            {
              "url": "score",
              "valueDecimal": 0.86
            },
            {
              "url": "basis",
              "valueCodeableConcept": {
                "text": "Probabilistic (name + DOB + phone)"
              }
            },
            {
              "url": "note",
              "valueString": "Matched via Fellegi–Sunter model v1.4."
            }
          ]
        }
      ]
    }
  ]
}