description: The date on which the asset content was approved by the publisher. Approval happens once when the content is officially approved for usage. package_name: hl7.fhir.core derivation: constraint name: When resource approved by publisher type: Extension elements: extension: index: 0 slicing: slices: extension: match: {} schema: {index: 0} max: 0 url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/resource-approvalDate'} index: 1 value: choices: [valueDate] index: 3 valueDate: {type: date, choiceOf: value, index: 4} package_version: 1.8.0 extensions: extension: {url: null, max: 0, index: 0} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/resource-approvalDate base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [value, valueDate]