description: 'Extension: The date of the event this DocumentReference describes' package_name: il.core.fhir.r4 derivation: constraint name: ILCoreDocumentedEventDate type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.health.gov.il/StructureDefinition/ext-documented-event-date'} index: 1 value: choices: [valueDateTime] index: 3 valueDateTime: {type: dateTime, choiceOf: value, index: 4} package_version: 0.17.2 extensions: {} class: extension kind: complex-type url: http://fhir.health.gov.il/StructureDefinition/ext-documented-event-date base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.17.0