description: BARSMessageHeader Booking Request profile
package_name: uk.nhsdigital.bars.r4
derivation: constraint
name: BARSMessageHeaderBookingRequest
type: MessageHeader
elements:
  event[x]:
    elements:
      system:
        pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/message-events-bars'}
        index: 0
      code:
        pattern: {type: Code, value: booking-request}
        index: 1
    required: [code]
  destination:
    index: 2
    elements:
      receiver:
        elements:
          reference: {index: 3}
        required: [reference]
  sender:
    elements:
      reference: {index: 4}
      identifier:
        elements:
          assigner:
            elements:
              reference: {index: 5}
            required: [reference]
    required: [reference]
  source:
    extensions:
      myExtension: {url: 'https://fhir.nhs.uk/StructureDefinition/CDSSExtension', min: 0, type: Extension, index: 7}
    elements:
      extension:
        index: 6
        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: 7}
              min: 0
      name: {index: 8}
      version: {index: 9}
      endpoint: {index: 10}
  reason:
    index: 11
    elements:
      coding:
        elements:
          system:
            pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/message-reason-bars'}
            index: 12
  focus:
    elements:
      reference: {index: 13}
    required: [reference]
package_version: 1.34.0
class: profile
kind: resource
url: https://fhir.nhs.uk/StructureDefinition/BARSMessageHeader-booking-request
base: https://fhir.hl7.org.uk/StructureDefinition/UKCore-MessageHeader
version: 1.0.1
required: [destination, reason]