| DATAKIT Class | PLMXML Entity | Remarks | 
|---|---|---|
| Internal Tree Node | OpenInstance and CloseLastInstance | Allow to make an instance tree | 
| Extern FILE | External file | Internal files can be added as a leaf. | 
| DATAKIT Class | PLMXML Entity | Remarks | 
|---|---|---|
| Dtk_MetaData | Metadatas  | PLMXML Stores Metadatas |