description: This extension to PlanDefinition, MedicationKnowledge and DeviceDefinition conveys the reference to a catalog containing the extended resource
package_name: hl7.fhir.uv.order-catalog
derivation: constraint
name: CatalogReference
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogReference'}
    index: 1
  value:
    short: Reference to a catalog containing this item
    choices: [valueReference]
    index: 3
  valueReference:
    type: Reference
    short: Reference to a catalog containing this item
    choiceOf: value
    refers: ['http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogHeader']
    index: 4
package_version: 1.0.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/uv/order-catalog/StructureDefinition/CatalogReference
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0