## Union of http://hl7.org/fhir/us/davinci-cdex/StructureDefinition/cdex-signature and http://hl7.org/fhir/us/davinci-cdex/StructureDefinition/cdex-digital-signature

This is the set of resources that conform to either of the profiles CDex Signature Profile (http://hl7.org/fhir/us/davinci-cdex/StructureDefinition/cdex-signature) and CDex Digital Signature Profile (http://hl7.org/fhir/us/davinci-cdex/StructureDefinition/cdex-digital-signature). 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
--- | --- | --- | --- | ---
Signature | C | 0..* |  | left: JWS Digital Signature; right: CDex Bundle and QuestionnaireResponse signature Constraints: cdex-13
extension |  | 0..* | Extension | Additional content defined by implementations
type | S Σ | 1..* | Coding | Indication of the reason the entity signed the object(s) Binding: ?? (preferred): An indication of the reason that an entity signed the object.
when | S Σ | 1..1 | instant | When the signature was created
who | S Σ | 1..1 | Reference(US Core Practitioner Profile S | US Core Organization Profile S | US Core PractitionerRole Profile) | Organization or practitioner who signed the Bundle
extension |  | 0..* | Extension | Additional content defined by implementations
reference | S Σ | 0..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ?? (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | S Σ | 0..1 | Identifier | NPI or US Tax ID
extension |  | 0..* | Extension | Additional content defined by implementations
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: ?? (required): Identifies the purpose for this identifier, if known .
type | S Σ | 0..1 | CodeableConcept | Description of identifier Binding: ?? (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system | S Σ | 0..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | S Σ | 1..1 | string | The value that is unique Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
display | S Σ | 0..1 | string | Text alternative for the resource
onBehalfOf | Σ | 0..1 | Reference(Practitioner | PractitionerRole | RelatedPerson | Patient | Device | Organization) | The party represented
targetFormat | S | 0..1 | code | left: The technical format of the signed resources; right: Canonicalization method Binding: ?? (required): The mime type of an attachment. Any valid mime type is allowed.
sigFormat | S | 0..1 | code | left: The technical format of the signature; right: The JWS mime type Binding: ?? (required): The mime type of an attachment. Any valid mime type is allowed.
data | S | 1..1 | base64Binary | left: base64 encoded JWS-Signature; right: base64 encoded JSON Web Signature (JWS)
Documentation for this format