description: An Extension to identify what a Flag is based on. This allows a history of the provenance to be carried.
package_name: NHSD.Assets.STU3
derivation: constraint
name: Extension-UEC-FlagBasedOn-1
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'https://fhir.nhs.uk/STU3/StructureDefinition/Extension-UEC-FlagBasedOn-1'}
    index: 0
  valueReference:
    type: Reference
    short: A reference to the resource the Flag is based on.
    refers: ['http://hl7.org/fhir/StructureDefinition/Flag']
    index: 1
    slicing:
      slices:
        valueReference:
          match: {}
          schema:
            type: Reference
            short: A reference to the resource the Flag is based on.
            refers: ['http://hl7.org/fhir/StructureDefinition/Flag']
            _required: true
            index: 1
          min: 1
package_version: 1.5.0
class: extension
kind: complex-type
url: https://fhir.nhs.uk/STU3/StructureDefinition/Extension-UEC-FlagBasedOn-1
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0
required: [valueReference]