description: The period over which the location or Organization is open
package_name: fhir.org.nz.ig.base
derivation: constraint
name: Established
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org.nz/fhir/StructureDefinition/established'}
    type: uri
    index: 1
  value:
    choices: [valuePeriod]
    index: 3
  valuePeriod: {type: Period, choiceOf: value, index: 4}
package_version: 2.0.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org.nz/fhir/StructureDefinition/established
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 2.0.0