description: This extension sets minimum expectations for the Brandname element to searching for and fetching a Brandname associated with vaccine. package_name: ndhm.in derivation: constraint name: BrandName type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'https://nrces.in/ndhm/fhir/r4/StructureDefinition/BrandName'} type: uri index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 6.5.0 extensions: {} class: extension kind: complex-type url: https://nrces.in/ndhm/fhir/r4/StructureDefinition/BrandName base: http://hl7.org/fhir/StructureDefinition/Extension version: 6.5.0