Extension 
url 
value[x] Binding: ?? (preferred)
Documentation for this formatThis is the set of resources that conform to either of the profiles A specific purpose for which this ContactPoint dataType would be used (http://hl7.org.nz/fhir/StructureDefinition/contactpoint-purpose) and A specific purpose for which this ContactPoint dataType would be used (http://hl7.org.nz/fhir/StructureDefinition/contactpoint-purpose). 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..* | A specific purpose for which this ContactPoint dataType would be used | ||
| url | 1..1 | uri | identifies the meaning of the extension | |
| value[x] | 0..1 | CodeableConcept | Value of extension Binding: ?? (preferred) | |
| Documentation for this format | ||||