{
  "description": "Unique identifier",
  "_filename": "SearchParameter-CommunicationRequest-identifier.json",
  "package_name": "hl7.fhir.r2b.examples",
  "date": "2016-03-31T08:01:25+11:00",
  "expression": "CommunicationRequest.identifier",
  "publisher": "Health Level Seven International (Patient Care)",
  "name": "identifier",
  "xpath": "f:CommunicationRequest/f:identifier",
  "xpathUsage": "normal",
  "type": "token",
  "experimental": "false",
  "resourceType": "SearchParameter",
  "title": null,
  "package_version": "1.4.0",
  "status": "draft",
  "id": "968fb670-caa9-41e9-996c-0055bbad3a3b",
  "kind": null,
  "url": "http://hl7.org/fhir/SearchParameter/CommunicationRequest-identifier",
  "code": "identifier",
  "base": "CommunicationRequest",
  "version": null,
  "contact": [ {
    "telecom": [ {
      "rank": 1,
      "value": "http://hl7.org/fhir",
      "system": "other"
    } ]
  }, {
    "telecom": [ {
      "rank": 1,
      "value": "http://www.hl7.org/Special/committees/patientcare/index.cfm",
      "system": "other"
    } ]
  } ]
}