description: Indicates that an operation or interaction must always be handled as synchronous or asynchronous, or that the server must or does provide both, and clients can choose. In R6, use OperationDefinition.synchronicity
package_name: hl7.fhir.uv.extensions
derivation: constraint
name: OperationSynchronicityControl
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/synchronicity-control'}
    index: 1
  value:
    choices: [valueUri]
    index: 3
  valueUri: {type: uri, choiceOf: value, index: 4}
package_version: 5.3.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/synchronicity-control
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.3.0
required: [valueUri, value]