description: Erweiterung um eine Referenz
package_name: de.gevko.emdaf
derivation: constraint
name: EMDAF_EX_Reference
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'https://fhir.gevko.de/StructureDefinition/EMDAF_EX_Reference'}
    index: 0
  value:
    choices: [valueReference]
    index: 2
  valueReference: {type: Reference, choiceOf: value, index: 3}
  value[x]:
    elements:
      reference: {index: 4}
    required: [reference]
package_version: 1.1.1
class: extension
kind: complex-type
url: https://fhir.gevko.de/StructureDefinition/EMDAF_EX_Reference
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.1.1
required: [valueReference, value]