description: This MessageHeader profile represents metadata to support the eCR messaging paradigm. It requires data elements destination, sender, source, and focus. The focus of an eCR MessageHeader profile is the eCR Task profile.
package_name: hl7.fhir.us.ecr
derivation: constraint
name: Ecr_MessageHeader
type: MessageHeader
elements:
  event:
    mustSupport: true
    choices: [eventCoding]
    index: 1
  eventCoding: {type: Coding, mustSupport: true, choiceOf: event, index: 2}
  destination: {mustSupport: true, index: 3}
  sender: {mustSupport: true, index: 4}
  source:
    index: 5
    elements:
      name: {mustSupport: true, index: 6}
      contact: {mustSupport: true, index: 7}
  focus:
    type: Reference
    mustSupport: true
    refers: ['http://hl7.org/fhir/us/ecr/StructureDefinition/ecr-task']
    index: 8
package_version: 1.0.0
class: profile
kind: resource
url: http://hl7.org/fhir/us/ecr/StructureDefinition/ecr-messageheader
base: http://hl7.org/fhir/StructureDefinition/MessageHeader
version: 1.0.0
required: [destination, focus, sender]