Source | URL | Version | Realm | Type | Description |
---|---|---|---|---|---|
Base | |||||
hl7.fhir.uv.extensions.r4#1.0.0 | http://hl7.org/fhir/StructureDefinition/_datatype|1.0.0 | 5.0.0 | uv | string | Used when the actual type is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions - see [Cross Version Extensions](versions.html#extensions). |