| Name | L Flags | L Card. | L Type | L Description & Constraints | R Flags | R Card. | R Type | R Description & Constraints | Comments  | 
|---|
   Extension  | N | 0..1 | Extension | Expression-determined initial value
  | N | 0..1 | Extension | Expression-determined initial value
  |  | 
    id  |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |  | 
    Slices for extension  |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
  |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
  |  | 
    url  |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression" |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression" |  | 
    valueExpression  |  | 0..1 | Expression | Value of extension |  | 0..1 | Expression | Value of extension |  | 
   Documentation for this format |