description: This cross-version extension represents Evidence.assertion from http://hl7.org/fhir/StructureDefinition/Evidence|4.3.0 for use in FHIR R4. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R4B_Evidence_assertion type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-Evidence.assertion'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Declarative description of the Evidence choices: [valueMarkdown] index: 2 valueMarkdown: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: markdown short: Declarative description of the Evidence choiceOf: value index: 3 package_version: r4b.r4-0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-Evidence.assertion base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1 version: 0.0.1-snapshot-2 required: [url]