description: null
package_name: nxh.fhir.r4
derivation: constraint
name: NxhExtGprference
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'https://fhir.nxh.com/standards/fhir/StructureDefinition/NxhExtGpreference'}
    index: 0
  value:
    choices: [valueReference]
    index: 2
  valueReference: {type: Reference, choiceOf: value, index: 3}
package_version: 0.0.0-beta.20
class: extension
kind: complex-type
url: https://fhir.nxh.com/standards/fhir/StructureDefinition/NxhExtGpreference
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null