description: An NHS e-Referral Service book appointment. package_name: NHSD.Assets.STU3 derivation: constraint name: eRS-BookAppointment-Parameters-1 type: Parameters elements: parameter: index: 0 slicing: rules: closed discriminator: - {path: name, type: value} min: null slices: slotId: match: {name: slotId} schema: short: Slot Identifier _required: true index: 1 elements: name: pattern: {type: String, value: slotId} index: 2 valueIdentifier: type: Identifier index: 3 slicing: slices: valueIdentifier: match: {} schema: type: Identifier _required: true index: 3 elements: system: pattern: {type: Uri, value: 'https://fhir.nhs.uk/Id/ers-slot-identifier'} index: 4 resource: {index: 5} part: {index: 6} required: [valueIdentifier] intentionToAddReferralLetter: match: {name: intentionToAddReferralLetter} schema: short: Intention to add Referral index: 7 elements: name: pattern: {type: String, value: intentionToAddReferralLetter} index: 8 valueCoding: type: Coding index: 9 slicing: slices: valueCoding: match: {} schema: {type: Coding, _required: true, index: 9} min: 1 resource: {index: 10} part: {index: 11} required: [valueCoding] package_version: 1.0.0 class: profile kind: resource url: https://fhir.nhs.uk/STU3/StructureDefinition/eRS-BookAppointment-Parameters-1 base: http://hl7.org/fhir/StructureDefinition/Parameters version: 1.0.0