description: This extension specifies a logical model to use to validate the binary contents. package_name: hl7.fhir.uv.tools derivation: constraint name: BinaryResourceLogical type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/tools/StructureDefinition/implementationguide-resource-logical'} index: 1 value: choices: [valueCanonical] index: 3 valueCanonical: {type: canonical, choiceOf: value, index: 4} package_version: 0.1.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/tools/StructureDefinition/implementationguide-resource-logical base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0 required: [valueCanonical, value]