{description: '[SubscriptionTopic](subscriptiontopic.html): Logical canonical URL to reference this SubscriptionTopic (globally unique)\r\n', package_name: hl7.fhir.r6.search, name: url, type: uri, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/CanonicalResource-url', version: 6.0.0-ballot2}