| Code | Description | Nederlands (Dutch) | Comment | Version |
| A | Add/Insert | Toevoeging/invoeging | deprecated | added v2.3, removed after v2.5.1 |
| D | Delete | Verwijdering | deprecated | added v2.3, removed after v2.5.1 |
| U | Update | Update | deprecated | added v2.3, removed after v2.5.1 |
| X | No change | Geen wijziging | deprecated | added v2.5, removed after v2.5.1 |