description: The base URL for the server to which questionnaire response associated with this questionnaire should be submitted. package_name: hl7.fhir.uv.sdc derivation: constraint name: Endpoint type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/sdc/StructureDefinition/sdc-questionnaire-endpoint'} index: 0 value: choices: [valueUri] index: 2 valueUri: {type: uri, choiceOf: value, index: 3} package_version: '1.6' class: extension kind: complex-type url: http://hl7.org/fhir/us/sdc/StructureDefinition/sdc-questionnaire-endpoint base: http://hl7.org/fhir/StructureDefinition/Extension version: null