description: The IG version number of the bundle profile to which the instance conforms. Additionally, all the profiles of the resources in the bundle must conform to this version. package_name: hl7.fhir.us.pq-cmc-fda derivation: constraint name: IgVersion type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pq-cmc-fda/StructureDefinition/pq-ig-version'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 1.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/pq-cmc-fda/StructureDefinition/pq-ig-version base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [valueString, value]