http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired|4.0.1

Indicates that a signature (of the specified type) is needed when completing the QuestionnaireResponse.
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/Extension
typehttp://hl7.org/fhir/StructureDefinition/Extension
Extension.value[x].typehttp://hl7.org/fhir/StructureDefinition/CodeableConcept
Extension.value[x].binding.valueSethttp://hl7.org/fhir/ValueSet/signature-type