## ConstraintType enumeration

Specifies the constraint on the start or finish date of a task.

## Members
| Member name | Description |
| :- | :- |
|UNDEFINED|The value was not defined in original project file.|
|AS_SOON_AS_POSSIBLE|[None](/tasks/python-net/aspose.tasks/tsk/) and [None](/tasks/python-net/aspose.tasks/tsk/) dates of [Task](/tasks/python-net/aspose.tasks/task/) are scheduled ASAP<br/>            with respect to parent [None](/tasks/python-net/aspose.tasks/tsk/) and [None](/tasks/python-net/aspose.tasks/tsk/) dates and considering [task_links](/tasks/python-net/aspose.tasks/project/).|
|AS_LATE_AS_POSSIBLE|[None](/tasks/python-net/aspose.tasks/tsk/) and [None](/tasks/python-net/aspose.tasks/tsk/) dates of [Task](/tasks/python-net/aspose.tasks/task/) are scheduled ALAP<br/>            with respect to parent [None](/tasks/python-net/aspose.tasks/tsk/) and [None](/tasks/python-net/aspose.tasks/tsk/) dates and considering [task_links](/tasks/python-net/aspose.tasks/project/).|
|MUST_START_ON|Must Start On|
|MUST_FINISH_ON|Must Finish On|
|START_NO_EARLIER_THAN|Start No Earlier Than|
|START_NO_LATER_THAN|Start No Later Than|
|FINISH_NO_EARLIER_THAN|Finish No Earlier Than|
|FINISH_NO_LATER_THAN|Finish No Later Than|

### See Also

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