description: 'R4B: `MedicationKnowledge.packaging.quantity` (new:Quantity[SimpleQuantity])' package_name: hl7.fhir.uv.xver-r4b.r5 derivation: constraint name: ExtensionMedicationKnowledge_Packaging_Quantity type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationKnowledge.packaging.quantity'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: The number of product units the package would contain if fully loaded choices: [valueQuantity] index: 2 valueQuantity: short: The number of product units the package would contain if fully loaded type: Quantity base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 3 package_version: 0.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationKnowledge.packaging.quantity base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.1.0 required: [url]