Extensions für Composition
Folgende Extensions werden im Kontext der FHIR Ressource 'Composition' definiert:
Name: ExtensionInformationRecipient (Simplifier Projekt Link)
Canonical: http://fhir.de/StructureDefinition/informationrecipient
Kontext: 
| Extension | I |  | Extension | There are no (further) constraints on this elementElement IdShort description Optional Extensions ElementDefinition Data TypeOptional Extension Element - found in all resources.ExtensionConstraints Mappingsele-1:All FHIR elements must have a @value or children
 hasValue() or (children().count() > id.count())ext-1:Must have either extensions or value[x], not both
 extension.exists() != value.exists()
 | 
| url |  | 1..1 | System.StringFixed Value | Element IdShort description identifies the meaning of the extensionDefinition CommentsSource of the definition for the extension code - a logical name or a URL.Data TypeThe definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.System.StringFixed Value 
Mappingshttp://fhir.de/StructureDefinition/informationrecipient | 
| value[x] |  | 1..1 |  | There are no (further) constraints on this elementElement IdShort description Value of extensionDefinition CommentsValue of extension - must be one of a constrained set of the data types (see Extensibility for a list).ConstraintsA stream of bytes, base64 encodedMappingsele-1:All FHIR elements must have a @value or children
 hasValue() or (children().count() > id.count())
 | 
| valueReference |  | 1..1 | Reference(Practitioner| Device| Patient| RelatedPerson| PractitionerRole| Organization) | Element Id Short descriptionExtension.value[x]:valueReferenceValue of extensionDefinition CommentsValue of extension - must be one of a constrained set of the data types (see Extensibility for a list).Data TypeA stream of bytes, base64 encodedReference(Practitioner| Device| Patient| RelatedPerson| PractitionerRole| Organization)Constraints Mappingsele-1:All FHIR elements must have a @value or children
 hasValue() or (children().count() > id.count())
 | 
Beispiel:
<extension url="http://fhir.de/StructureDefinition/informationrecipient" >
    <valueReference>
        <reference value="Patient/test" />
    </valueReference>
</extension>