Extension 
url 
value[x] Documentation for this formatThis is the set of resources that conform to both Default Type (http://hl7.org/fhir/StructureDefinition/elementdefinition-defaulttype) and Default Type (http://hl7.org/fhir/StructureDefinition/elementdefinition-defaulttype).
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension | 0..1 | Default type is non is specified in the instance | ||
| url | 1..1 | uri | identifies the meaning of the extension | |
| value[x] | 1..1 | canonical(StructureDefinition) | Value of extension | |
| Documentation for this format | ||||