http://hl7.org/fhir/StructureDefinition/structuredefinition-category|4.0.1

The category under which the resource type is presented on the official resource list.

element_id	types
Extension
Extension.extension
Extension.url
Extension.value[x]	string
Extension
Extension.id	http://hl7.org/fhirpath/System.String
Extension.extension	Extension
Extension.url	http://hl7.org/fhirpath/System.String
Extension.value[x]	string