description: Specifies the subject of an event resource.
package_name: hl7.fhir.us.qicore
derivation: constraint
name: EventSubject
type: Extension
elements:
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/event-subject'}
    index: 0
  value:
    choices: [valueReference]
    index: 2
  valueReference:
    type: Reference
    choiceOf: value
    refers: ['http://hl7.org/fhir/StructureDefinition/Patient']
    index: 3
package_version: 6.0.0-ballot
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/event-subject
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 6.0.0-ballot