description: This profile defines the UK constraints and extensions on the International FHIR resource [MessageHeader](https://hl7.org/fhir/R4/MessageHeader.html).
package_name: fhir.r4.ukcore.stu3.currentbuild
derivation: constraint
name: UKCoreMessageHeader
type: MessageHeader
elements:
  event:
    mustSupport: true
    choices: []
    index: 1
  destination: {mustSupport: true, index: 2}
  sender: {mustSupport: true, index: 3}
  source: {mustSupport: true, index: 4}
  focus: {mustSupport: true, index: 5}
package_version: 0.21.0-pre-release
class: profile
kind: resource
url: https://fhir.hl7.org.uk/StructureDefinition/UKCore-MessageHeader
base: http://hl7.org/fhir/StructureDefinition/MessageHeader
version: 2.4.0