{ "description": "Search by policy", "_filename": "SearchParameter-Provenance-policy.json", "package_name": "ca.on.ehr.r4", "date": null, "expression": "Provenance.policy", "publisher": null, "name": "policy", "xpath": "f:Provenance/f:policy", "xpathUsage": "normal", "type": "uri", "experimental": null, "resourceType": "SearchParameter", "title": null, "package_version": "1.0.0-snapshot12", "status": "active", "id": "de5b035d-90fb-43d1-a997-97b2d68bd482", "kind": null, "url": "http://ontariohealth.ca/fhir/ehr/SearchParameter/Provenance-policy", "code": "policy", "base": [ "Provenance" ], "version": null }