description: The context in which the EvidenceVariable is assessed. package_name: hl7.fhir.uv.ebm derivation: constraint name: EvidenceVariableConditional type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-conditional'} index: 1 value: choices: [valueExpression] index: 3 valueExpression: {type: Expression, choiceOf: value, index: 4} package_version: 1.0.0-ballot2 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-conditional base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot2