UUIDType
search: boost: 1.0 ---# Type: UUIDType
A type 4 or type 5 UUID per RFC 4122.
URI: [xsd:string](http://www.w3.org/2001/XMLSchema#string)
## Type Properties
| Property | Value |
| --- | --- |
| Base | `str` |
| Type URI | [xsd:string](http://www.w3.org/2001/XMLSchema#string) |
## Value Constraints
| Property | Value |
| --- | --- |
| Regex Pattern | `^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[45][0-9A-Fa-f]{3}-[89ABab][0-9A-Fa-f]{3}-[0-9A-Fa-f]{12}$` |
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/lmodel/oscal
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | xsd:string |
| native | oscal:UUIDType |