description: This extension has been constrained to represent the System Effective to and System effective from dates for an information item held on the Personal Demographics Service.
package_name: NHSD.Assets.STU3
derivation: constraint
name: Extension-PDS-SystemEffectivePeriod-1
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'https://fhir.nhs.uk/STU3/StructureDefinition/Extension-PDS-SystemEffectivePeriod-1'}
    index: 0
  valuePeriod:
    type: Period
    short: The System Effective to and System effective from dates for an information item held on the Personal Demographics Service
    index: 1
    slicing:
      slices:
        valuePeriod:
          match: {}
          schema: {type: Period, short: The System Effective to and System effective from dates for an information item held on the Personal Demographics Service, index: 1}
package_version: 1.5.0
class: extension
kind: complex-type
url: https://fhir.nhs.uk/STU3/StructureDefinition/Extension-PDS-SystemEffectivePeriod-1
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0