http://hl7.org/fhir/StructureDefinition/resource-effectivePeriod|4.0.1
The period during which the resource content was or is planned to be effective.
description: The period during which the resource content was or is planned to be effective. derivation: constraint name: effectivePeriod type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/resource-effectivePeriod'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/resource-effectivePeriod base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.1 required: [value]