Extension 
url 
value[x] Binding: ?? (required): All published FHIR Versions.
Documentation for this formatThis is the set of resources that conform to either of the profiles StructureDefinition First Normative Version (http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version) and StructureDefinition First Normative Version (http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version). E.g. what you have to deal with if you get resources conforming to one of them
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension | 0..1 | If normative, which was the first normative version | ||
| url | 1..1 | uri | identifies the meaning of the extension | |
| value[x] | 1..1 | code | Value of extension Binding: ?? (required): All published FHIR Versions. | |
| Documentation for this format | ||||