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.uv.extensions.r4 derivation: constraint name: ResourceApprovalDate type: Extension elements: extension: {index: 0} url: 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: 1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/resource-approvalDate base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [value, valueDate]