description: An extension to record the delivery channel of a scheduled Appointment. package_name: NHSDigital.FHIR.STU3 derivation: constraint name: Extension-GPConnect-DeliveryChannel-1 type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.nhs.uk/STU3/StructureDefinition/Extension-GPConnect-DeliveryChannel-1'} index: 0 valueCodeableConcept: type: CodeableConcept short: The delivery channel of the Appointment index: 1 slicing: slices: valueCodeableConcept: match: {} schema: {type: CodeableConcept, short: The delivery channel of the Appointment, index: 1} package_version: 1.0.0 class: extension kind: complex-type url: https://fhir.nhs.uk/STU3/StructureDefinition/Extension-GPConnect-DeliveryChannel-1 base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.2.0