| Name | Value | Description |
| NegativeExtentDirection | 1 | Feature extent in the negative direction. For sketch based features this is typically in the direction opposite the sketch normal. |
| PositiveExtentDirection | 0 | Feature extent in the positive direction. For sketch based features this is typically in the same direction as the sketch normal. |
| SymmetricExtentDirection | 2 | Feature extent in both directions. |