STU3 Candidate

This page is part of the FHIR Specification (v1.8.0: STU 3 Draft). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions

Extension XML (Schema) type of attribute for RDF - Detailed Descriptions

Detailed Descriptions for the elements in the extension.

Extension
Definition

The XML (schema) type of a property as used in RDF - used for the value attribute of a primitive type (for which there is no type in the FHIR typing system).

Control0..1 This element is affected by the following invariants: ele-1
Comments

This is in effect, compiler magic for the typing system. RDF uses slightly different types that XML because of the implications of the XML types in RDF.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))
Extension.id
Definition

unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
Extension.extension(extension)
Definition

An Extension

Control0..0
TypeExtension
Extension.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
Comments

The 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.

Fixed Valuehttp://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type
Extension.valueString
Definition

Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).

Control1..1
Typestring