Editing a Task

To edit the task attributes:

Go to the Interactive Gantt view for your project.
Right click on a task and select Edit. Alternatively, you can press the shortcut key 'e' on the task from the Interactive Gantt.
The information is divided into 4 tabs : Basic, Advanced, Custom Fields, Details.
1. The Basic tab shows attributes like: Name, Start, Finish, Duration, Predecessor, Resources.
  Additionally, there is a checkbox 'Manually Scheduled' which when checked will show up fields like: Work, Schedule Type, Constraint Type, Constraint Date.
2. The Advanced tab shows attributes like : % Complete, Priority, Start(Actual), Finish(Actual), the 'Allow Time?' checkbox and the financial columns like: Budget, Cost (Est, Material), Cost (Fixed).
3. The Custom Fields tab displays all the custom fields attached to a task. You can view/edit values from this tab; per task.
4. The Details tab allows you to enter/edit the description text for a task.

For information on tasks attributes, click here

Certain attributes for summary tasks cannot be edited (start/end dates, duration, schedule type, effort, constraints and financials)
Summary tasks will always be auto-scheduled.

Celoxis 10.5