description: This cross-version extension represents Questionnaire.versionAlgorithm[x] from http://hl7.org/fhir/StructureDefinition/Questionnaire|5.0.0 for use in FHIR R4.
package_name: hl7.fhir.uv.xver-r5.r4
derivation: constraint
name: Ext_R5_Questionnaire_versionAlgorithm
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.versionAlgorithm'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: How to compare versions
    choices: [valueString, valueCoding]
    index: 2
  valueString:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: string
    short: How to compare versions
    choiceOf: value
    index: 3
  valueCoding:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: Coding
    short: How to compare versions
    choiceOf: value
    index: 4
package_version: 0.0.1-snapshot-2
class: extension
kind: complex-type
url: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.versionAlgorithm
base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
version: 0.0.1-snapshot-2
required: [url]