## Union of http://hl7.org/fhir/us/core/StructureDefinition/us-core-authentication-time and http://hl7.org/fhir/us/core/StructureDefinition/us-core-authentication-time

This is the set of resources that conform to either of the profiles US Core Authentication Time Extension (http://hl7.org/fhir/us/core/StructureDefinition/us-core-authentication-time) and US Core Authentication Time Extension (http://hl7.org/fhir/us/core/StructureDefinition/us-core-authentication-time). E.g. what you have to deal with if you get resources conforming to one of them

### Structure

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* |  | Authentication time
url |  | 1..1 | uri | identifies the meaning of the extension
value[x] |  | 1..1 | dateTime | Value of extension
Documentation for this format