description: BARS MessageDefinition profile on ServiceRequest - Response workflows package_name: uk.nhsdigital.bars.r4 derivation: constraint name: BARSMessageDefinitionServiceRequestResponse type: MessageDefinition elements: status: pattern: {type: Code, value: active} index: 0 date: {index: 1} event: choices: [eventCoding] index: 3 eventCoding: {type: Coding, choiceOf: event, index: 4} event[x]: elements: system: pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/message-events-bars'} index: 5 code: pattern: {type: Code, value: servicerequest-response} index: 6 focus: index: 7 elements: code: {index: 8} profile: {index: 9} min: {index: 10} max: {index: 11} required: [max, profile] package_version: 1.5.0 class: profile kind: resource url: https://fhir.nhs.uk/StructureDefinition/BARSMessageDefinition-ServiceRequest-Response base: http://hl7.org/fhir/StructureDefinition/MessageDefinition version: 1.0.1