{

"resourceType": "SearchParameter",
"id": "patient-extensions-Patient-postalCode",
"url": "http://hl7.org/fhir/SearchParameter/patient-extensions-Patient-postalCode",
"name": "postalCode",
"code": "postalCode",
"base": "Patient",
"type": "string",
"description": "Return records where one of the patient addresses matches on postalCode.",
"xpath": "f:Patient/f:address/f:postalCode",
"xpathUsage": "normal"

}