Method that sets the extent type to be a finite distance.
| Name | Type | Description |
| Distance | Variant | Input Variant that defines the distance associated with the extent of the rib feature. This can be either a numeric value or a string. A parameter for this value will be created and the supplied string or value is assigned to the parameter. If a value is input, the units are centimeters. If a string is input, the units can be specified as part of the string or it will default to the current length units of the document. |