description: The date  (and optionally time) when the {{title}} was last significantly changed. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the {{title}} changes.
package_name: hl7.fhir.uv.extensions.r3
derivation: constraint
name: ArtifactDate
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/artifact-date'}
    index: 1
  value:
    choices: [valueDateTime]
    index: 3
  valueDateTime: {type: dateTime, choiceOf: value, index: 4}
package_version: 5.1.0-ballot1
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/artifact-date
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.1.0-ballot1
required: [valueDateTime, value]