Add New Group
Adding a Parent group and Sub-group can be done using the same form.
To add a new group, perform the following steps:
Click on the + button near the Group drop-down box.
To add a parent group, enter the Group Name alone, with the parent group drop-down empty, and click on the Save button.
To add a sub-group, enter the Group Name details, choose the Parent Group name from the drop-down, and click on the Save button.