description: 'R4B: `Patient.photo` additional types (Attachment) additional types from child elements (contentType, creation, data, hash, language, size, title, url)' package_name: hl7.fhir.uv.xver-r4b.r3 derivation: constraint name: ExtensionPatient_Photo type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-Patient.photo'} index: 0 value: short: Image of the patient choices: [valueAttachment] base: {max: '1', min: 0, path: 'Extension.value[x]'} index: 2 valueAttachment: short: Image of the patient type: Attachment 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/4.3/StructureDefinition/extension-Patient.photo base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0 required: [url]