description: If true, the definitions of the concepts should be treated and rendered as markdown for improved presentation. This extension is deprecated as the Terminology Infrastructure work group felt there wasn't a use case for the extension. package_name: hl7.fhir.uv.extensions.r4b derivation: constraint name: CSUseMarkdown type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/codesystem-use-markdown'} type: uri index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/codesystem-use-markdown base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [value, valueBoolean]