{
  "description": "Start and end of participation",
  "_filename": "SearchParameter-ResearchSubject-date.json",
  "package_name": "hl7.fhir.r3.core",
  "date": "2019-10-24T11:53:00+11:00",
  "expression": "ResearchSubject.period",
  "publisher": "Health Level Seven International (Regulated Clinical Research Information Management)",
  "name": "date",
  "xpath": "f:ResearchSubject/f:period",
  "xpathUsage": "normal",
  "type": "date",
  "experimental": "false",
  "resourceType": "SearchParameter",
  "title": null,
  "package_version": "3.0.2",
  "status": "draft",
  "id": "68834604-faa7-4fd5-a72d-987f153fcdc3",
  "kind": null,
  "url": "http://hl7.org/fhir/SearchParameter/ResearchSubject-date",
  "code": "date",
  "base": [ "ResearchSubject" ],
  "version": null,
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    } ]
  }, {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/rcrim/index.cfm",
      "system": "url"
    } ]
  } ]
}