description: This extension applies to the ContactPoint data type and is used to represent the purpose for which a contact can be reached, e.g. after hours or billing. package_name: at.unofficial.au.base derivation: constraint name: ContactPurpose type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/contact-purpose'} index: 0 value: short: Contact purpose choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, short: Contact purpose, choiceOf: value, index: 3} package_version: 2.2.0-ballot2 class: extension kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/contact-purpose base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.0 required: [value, valueCodeableConcept]