Extension 
url 
value[x] Binding: ?? (extensible): Identifies the purpose for a "display" item.
Documentation for this formatThis is the set of resources that conform to either of the profiles Questionnaire Display Category (http://hl7.org/fhir/StructureDefinition/questionnaire-displayCategory) and Questionnaire Display Category (http://hl7.org/fhir/StructureDefinition/questionnaire-displayCategory). 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 | Purpose of rendered text | ||
| url | 1..1 | uri | identifies the meaning of the extension | |
| value[x] | 1..1 | CodeableConcept | Value of extension Binding: ?? (extensible): Identifies the purpose for a "display" item. | |
| Documentation for this format | ||||