{description: '**When the questionnaire response was last changed**  \n**NOTE**: This US Core SearchParameter definition extends the usage context of the\n[Conformance expectation extension](http://hl7.org/fhir/R4B/extension-capabilitystatement-expectation.html)\n - multipleAnd\n - multipleOr\n - comparator\n - modifier\n - chain', package_name: hl7.fhir.us.core.r4b, name: USCoreQuestionnaireresponseAuthored, type: date, package_version: 7.0.0-ballot, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/core/SearchParameter/us-core-questionnaireresponse-authored', version: 7.0.0-ballot}