Complete the steps under Assigning Users and User Groups to a Task.
If the task definition is not opened, open the file in the Task Definition Editor.
In the Keywords section of the Task Definition Editor, click Add.
A new line appears in the Keywords list.
Enter the keyword in the new line.
Repeat the above steps for each keyword to enter.
To remove a keyword, select the line to remove and then click Remove.
When you are done with your changes, click Save All on the NetBeans toolbar.