{description: Search for Group resources by the Reference value of a characteristic. Used to find PDex Member Match Groups and Provider Groups associated with a specific requesting payer or provider Organization (stored in characteristic.valueReference)., package_name: hl7.fhir.us.davinci-pdex, name: PDexGroupCharacteristicValueReference, type: reference, package_version: 2.2.0, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/davinci-pdex/SearchParameter/pdex-group-characteristic-value-reference', version: 2.2.0}