description: 'STU3: `Timing.repeat.frequency` additional types (integer) additional types from child elements (value)' package_name: hl7.fhir.uv.xver-r3.r4 derivation: constraint name: ExtensionTiming_Repeat_Frequency type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-Timing.repeat.frequency'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Event occurs frequency times per period choices: [valueInteger] index: 2 valueInteger: short: Event occurs frequency times per period type: integer 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/3.0/StructureDefinition/extension-Timing.repeat.frequency base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1 version: 0.1.0 required: [url]