description: A name to use for the type, in implementations. This is a suggestion; it's not a normative part of the FHIR specification, but it does appear in the UML diagrams, and is used in generated code, schemas, etc.to identify the type. package_name: hl7.fhir.uv.extensions.r4 derivation: constraint name: SDExplicitTypeName type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valueString, value]