description: Represents a wet or electronic signature for either the form overall or for the question or item it's associated with. package_name: hl7.fhir.core derivation: constraint name: signature type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/questionnaireresponse-signature'} index: 1 valueSignature: {type: Signature, index: 2} package_version: 3.5.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/questionnaireresponse-signature base: http://hl7.org/fhir/StructureDefinition/Extension version: null