description: Reference to external MedicinalProductDefinition package_name: ca.on.health.idms.agreementmvp derivation: constraint name: PackageForExternal type: Extension elements: url: pattern: {type: Uri, value: 'https://health.gov.on.ca/idms/fhir/StructureDefinition/PackageForExternal'} index: 0 value: choices: [valueReference] index: 2 valueReference: {type: Reference, choiceOf: value, index: 3} package_version: 3.0.2 class: extension kind: complex-type url: https://health.gov.on.ca/idms/fhir/StructureDefinition/PackageForExternal base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0