The ForeVariantType enumeration contains all basic data type supported in the platform.
| Value | Brief description |
| 0 | Unknown. Undefined. |
| 1 | Char. Unicode character. |
| 2 | String. Character string. |
| 3 | Integer. 32 bit signed integers. |
| 4 | Double. Double-precision numbers with floating point. |
| 5 | Date. Date and time. |
| 6 | Boolean. Logical data type. |
| 7 | Matrix. Matrix. |
| 8 | Object. User-defined object (may contain any data type). |
| 9 | NullValue. Empty value. |
| 10 | Variant. Variant data type. |
| 11 | Decimal. Decimal numbers. |
| 12 | Currency. Decimal numbers (for currency calculations). |
See also: