description: This profile defines the UK constraints and extensions on the International FHIR resource [Slot](https://hl7.org/fhir/R4/Slot.html). package_name: fhir.r4.ukcore.stu3.currentbuild derivation: constraint name: UKCoreSlot type: Slot elements: extension: type: Extension short: This describes the delivery channel of a scheduled appointment. isModifier: false url: https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-DeliveryChannel index: 0 slicing: slices: deliveryChannel: match: {} schema: {type: Extension, short: This describes the delivery channel of a scheduled appointment., isModifier: false, url: 'https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-DeliveryChannel', index: 0} max: 1 specialty: short: The specialty of a practitioner that would be required to perform the service requested in this appointment. binding: {strength: extensible, valueSet: 'https://fhir.hl7.org.uk/ValueSet/UKCore-PracticeSettingCode'} mustSupport: true index: 1 appointmentType: {short: The style of appointment or patient that may be booked in the slot., mustSupport: true, index: 2} schedule: {short: A reference to the Schedule that this Slot is an interval of., mustSupport: true, index: 3} status: {short: 'The status of the slot, e.g free, busy, etc.', mustSupport: true, index: 4} start: {short: Date/Time that the slot is to begin., mustSupport: true, index: 5} end: {short: Date/Time that the slot is to conclude., mustSupport: true, index: 6} package_version: 0.23.0-pre-release extensions: deliveryChannel: {url: 'https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-DeliveryChannel', max: 1, type: Extension, short: This describes the delivery channel of a scheduled appointment., isModifier: false, index: 0} class: profile kind: resource url: https://fhir.hl7.org.uk/StructureDefinition/UKCore-Slot base: http://hl7.org/fhir/StructureDefinition/Slot version: 1.3.0