description: A reference to the vendor who queried the data, calculated results and/or generated the report. package_name: hl7.fhir.us.davinci derivation: constraint name: DEQMreportingVendorExtension type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/extension-reportingVendor'} index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/organization-deqm'] index: 3 package_version: deqm-1.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/extension-reportingVendor base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0