description: This cross-version extension represents ActivityDefinition.timing[x] from http://hl7.org/fhir/StructureDefinition/ActivityDefinition|4.3.0 for use in FHIR R5.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: Ext_R4B_ActivityDefinition_timing
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-ActivityDefinition.timing'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: When activity is to occur
    choices: [valueTiming, valueDateTime, valueAge, valuePeriod, valueRange, valueDuration]
    index: 2
  valueTiming:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: Timing
    short: When activity is to occur
    choiceOf: value
    index: 3
  valueDateTime:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: dateTime
    short: When activity is to occur
    choiceOf: value
    index: 4
  valueAge:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: Age
    short: When activity is to occur
    choiceOf: value
    index: 5
  valuePeriod:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: Period
    short: When activity is to occur
    choiceOf: value
    index: 6
  valueRange:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: Range
    short: When activity is to occur
    choiceOf: value
    index: 7
  valueDuration:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: Duration
    short: When activity is to occur
    choiceOf: value
    index: 8
package_version: r4b.r5-0.0.1-snapshot-2
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-ActivityDefinition.timing
base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0
version: 0.0.1-snapshot-2
required: [url]