description: The period for when the extended element is valid.
package_name: fhir.ca-bc.provider
derivation: constraint
name: PeriodExtension
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hlth.gov.bc.ca/fhir/provider/StructureDefinition/bc-period-extension'}
    type: uri
    index: 1
  value:
    mustSupport: true
    choices: [valuePeriod]
    index: 3
  valuePeriod: {type: Period, mustSupport: true, choiceOf: value, index: 4}
package_version: 1.0.1
extensions: {}
class: extension
kind: complex-type
url: http://hlth.gov.bc.ca/fhir/provider/StructureDefinition/bc-period-extension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0
required: [value, valuePeriod]