{
  "description": "Custom Search parameter for Patient's SSN",
  "_filename": "SearchParameter-PatientSSN.json",
  "package_name": "signal.core.r4",
  "date": null,
  "expression": "Patient.identifier.where(system = 'http://hl7.org/fhir/sid/us-ssn').value",
  "publisher": null,
  "name": "PatientSSN",
  "type": "string",
  "experimental": null,
  "resourceType": "SearchParameter",
  "title": null,
  "package_version": "0.2.8",
  "status": "draft",
  "id": "5430d3f7-4d99-4b7a-9af7-9abda422f50c",
  "kind": null,
  "url": "https://signalbhn.org/fhir/SearchParameter/Patient-SSN",
  "code": "ssn",
  "base": [ "Patient" ],
  "version": "1.0"
}