## MaskType enumeration

Specifies the type of a mask.

## Members
| Member name | Description |
| :- | :- |
|NULL|Indicates Null mask type.|
|NUMBERS|Indicates Numbers mask type.|
|UPPER_CASE_LETTERS|Indicates UpperCaseLetters mask type.|
|LOWER_CASE_LETTERS|Indicates LowerCaseLetters mask type.|
|CHARACTERS|Indicates Characters mask type.|
|VAL4|Indicates Lookup for Cost mask type.|
|VAL5|Indicates Lookup for Dates mask type.|
|VAL6|Indicates Lookup for Durations mask type.|
|VAL7|Indicates Lookup for Numbers mask type.|
|VAL8|Indicates Lookup for Flags mask type.|
|VAL9|Indicates Lookup for FinishDate mask type.|

### See Also

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