The AASKeyTypeDataType is defined in Table 72.
| Name | Value | Description | 
| IdShort | 0 | Identification of the element itself. Provides a unique identification for a possible event flow scheduling. | 
| FragmentId | 1 | Identifier of a fragment within a file | 
| Custom | 2 | Identifier is customer specific | 
| IRDI | 3 | International Registration Data Identifier) is based on the international standards ISO/IEC 11179-6, ISO 29002 and ISO 6532 | 
| IRI | 4 | Internationalized Resource Identifier (IRI) is the international format of Uniform Resource Identifier (URI). It is defined in RFC 3987. |