description: Additional timestamp for the author or other elements. package_name: ch.fhir.ig.ch-core derivation: constraint name: EPRTime type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.ch/ig/ch-core/StructureDefinition/ch-ext-epr-time'} index: 1 value: choices: [] index: 3 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: 1 slices: valueDateTime: match: {} schema: choices: [valueDateTime] _required: true index: 5 min: 1 max: 1 valueDateTime: type: dateTime choiceOf: value index: 6 slicing: slices: valueDateTime: match: {} schema: {type: dateTime, choiceOf: value, _required: true, index: 6} min: 1 max: 1 package_version: 4.0.1 extensions: {} class: extension kind: complex-type url: http://fhir.ch/ig/ch-core/StructureDefinition/ch-ext-epr-time base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.1 required: [valueDateTime, value]