| Constant | Type | Value |
| pv value type boolean | Long Integer | 6 |
| pv value type date | Long Integer | 4 |
| pv value type date time | Long Integer | 5 |
| pv value type none | Long Integer | 0 |
| pv value type numeric | Long Integer | 1 |
| pv value type picture | Long Integer | 7 |
| pv value type string | Long Integer | 2 |
| pv value type time | Long Integer | 3 |