| Source | URL | Version | Realm | Type | Description |
|---|---|---|---|---|---|
| canonical | |||||
| hl7.fhir.uv.extensions.r4#1.0.0 | http://hl7.org/fhir/StructureDefinition/alternate-canonical|1.0.0 | 5.0.0 | uv | canonical | Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions. |
| hl7.fhir.uv.crmi#current | http://hl7.org/fhir/StructureDefinition/cqf-resourceType|1.0.0-ballot | 4.0.1 | uv | code | Specifies the type of resource the canonical references. |
| hl7.fhir.uv.extensions.r4#1.0.0 | http://hl7.org/fhir/StructureDefinition/display|1.0.0 | 5.0.0 | uv | string | The title or other name to display when referencing a resource by canonical URL. Profile Paths: QuestionnaireResponse.questionnaire, Task.input.value[x] |
| hl7.fhir.uv.extensions.r4#1.0.0 | http://hl7.org/fhir/StructureDefinition/rendered-value|1.0.0 | 5.0.0 | uv | string | Provides a rendered version of the value intended for human display. For example, a sensitive identifier (e.g. social security number) partially obscured by asterisks; a drivers licence number with dashes inserted; a date formatted as MMM dd, yyyy; etc. |
| hl7.fhir.uv.extensions.r4#1.0.0 | http://hl7.org/fhir/StructureDefinition/targetElement|1.0.0 | 5.0.0 | uv | uri | Indicates that the reference has a particular focus in the target resource, a particular element of interest, identified by it's element id. |
| hl7.fhir.uv.extensions.r4#1.0.0 | http://hl7.org/fhir/StructureDefinition/targetPath|1.0.0 | 5.0.0 | uv | string | Indicates that the reference has a particular focus in the target resource, a particular element of interest, identified by a FHIRPath statement. The FHIRPath expression is limited to a the [simple subset](fhirpath.html#simple) with the additional limitation that .resolve() that is not allowed. |