{
  "description": "Focus of this Observation",
  "_filename": "focus.json",
  "package_name": "nictiz.fhir.nl.stu3.geboortezorg",
  "date": null,
  "expression": "Observation.extension('http://nictiz.nl/fhir/StructureDefinition/Observation-focus-stu3').value",
  "publisher": null,
  "name": "focus",
  "type": "reference",
  "experimental": null,
  "resourceType": "SearchParameter",
  "title": null,
  "package_version": "0.9.0",
  "status": "active",
  "id": "f2cd4099-c19a-44c6-a056-56ad8e927057",
  "kind": null,
  "url": "http://nictiz.nl/fhir/SearchParameter/focus",
  "code": "focus",
  "target": [ "Condition", "Observation", "Procedure" ],
  "base": [ "Observation" ],
  "version": null
}