{
  "resourceType": "SearchParameter",
  "id": "Observation-related",
  "url": "http://hl7.org/fhir/SearchParameter/Observation-related",
  "name": "related",
  "status": "draft",
  "experimental": false,
  "date": "2017-04-18T21:44:43+00:00",
  "publisher": "Health Level Seven International (Orders and Observations)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        }
      ]
    },
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/orders/index.cfm"
        }
      ]
    }
  ],
  "code": "related",
  "base": [
    "Observation"
  ],
  "type": "composite",
  "description": "Related Observations - search on related-type and related-target together",
  "expression": "Observation.related",
  "xpathUsage": "normal",
  "component": [
    {
      "definition": {
        "reference": "http://hl7.org/fhir/SearchParameter/Observation-related-target"
      },
      "expression": "target"
    },
    {
      "definition": {
        "reference": "http://hl7.org/fhir/SearchParameter/Observation-related-type"
      },
      "expression": "type"
    }
  ]
}