description: 'DSTU2: `DeviceMetric.measurementPeriod` additional types (Timing) additional types from child elements (code, event, repeat, bounds[x], count, duration, durationMax, durationUnits, frequency, frequencyMax, period, periodMax, periodUnits, when)'
package_name: hl7.fhir.uv.xver-r2.r4b
derivation: constraint
name: ExtensionDeviceMetric_MeasurementPeriod
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-DeviceMetric.measurementPeriod'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: Describes the measurement repetition time
    choices: [valueTiming]
    index: 2
  valueTiming:
    short: Describes the measurement repetition time
    type: Timing
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    choiceOf: value
    index: 3
package_version: 0.1.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/1.0/StructureDefinition/extension-DeviceMetric.measurementPeriod
base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0
version: 0.1.0
required: [url]