http://hl7.org/fhir/StructureDefinition/artifact-effectivePeriod|5.2.0
When the artifact is expected to be used.
description: When the artifact is expected to be used. derivation: constraint name: ArtifactEffectivePeriod type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/artifact-effectivePeriod'} index: 0 value: choices: [] index: 2 class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/artifact-effectivePeriod base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value]