Creates a new offsetSpline dimension constraint between offset spline and the original spline.
| Name | Type | Description |
| Line | SketchOffsetSpline | Input object. |
| TextPoint | Point2d | Input object that defines the position of the dimension text. |
| Driven | Boolean | Optional input Boolean that specifies whether the dimension should be a driven or driving dimension. The default is False, which will create a driving dimension. This is an optional argument whose default value is False. |