description: BARSUKCoreMessageHeader BARSUKCoreMessageHeader BARSUKCoreMessageHeader package_name: UK.NHSDigital.BARS.R4 derivation: constraint name: BARSUKCoreMessageHeader type: MessageHeader elements: event[x]: elements: code: {index: 0} required: [code] sender: elements: identifier: elements: assigner: elements: reference: {index: 1} required: [reference] source: extensions: myExtension: {url: 'https://fhir.nhs.uk/StructureDefinition/CDSSExtension', min: 0, type: Extension, index: 3} elements: extension: index: 2 slicing: rules: open discriminator: - {path: url, type: value} min: 0 slices: myExtension: match: {url: null} schema: {type: Extension, url: 'https://fhir.nhs.uk/StructureDefinition/CDSSExtension', index: 3} min: 0 name: {index: 4} version: {index: 5} endpoint: {index: 6} reason: index: 7 elements: coding: elements: system: {index: 8} focus: elements: reference: {index: 9} required: [reference] package_version: 0.1.0-test class: profile kind: resource url: https://fhir.nhs.uk/StructureDefinition/BARSUKCoreMessageHeader base: https://fhir.hl7.org.uk/StructureDefinition/UKCore-MessageHeader version: 1.0.0 required: [reason]