## CalculationType enumeration

Specifies the type of a calculation of the custom attribute's value.

## Members
| Member name | Description |
| :- | :- |
|NONE|Means the extended attribute has no lookup table of formula and simply stores value set by the user.|
|LOOKUP|Means the value of the extended attribute is restricted to values from a lookup table.|
|FORMULA|Means the value of the extended attribute is calculated using formula defined in [formula](/tasks/python-net/aspose.tasks/extendedattributedefinition/).|

### See Also

* namespace [aspose.tasks](/tasks/python-net/aspose.tasks/)
* assembly [Aspose.Tasks](/tasks/python-net/)