description: Service Interaction Id that represents the Service and Interaction provided by the Accredited System or Message Handling System.
package_name: uk.nhsdigital.r4
derivation: constraint
name: ExtensionSDSNhsServiceInteractionId
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'https://fhir.nhs.uk/StructureDefinition/Extension-SDS-NhsServiceInteractionId'}
    index: 0
  value:
    choices: [valueReference]
    index: 2
  valueReference: {type: Reference, choiceOf: value, index: 3}
package_version: 2.1.8-discovery
class: extension
kind: complex-type
url: https://fhir.nhs.uk/StructureDefinition/Extension-SDS-NhsServiceInteractionId
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null
required: [valueReference, value]