Once the work allocation groups are added, the user can either edit the existing groups or delete them.
To edit any group, click on the Edit 
icon displayed under the Action column of the list on the Work Allocation Group.
Edit Work Allocation Group pop-up window will be displayed as shown below:
Once the Work Allocation Group Name is edited, click on the Update button as shown below:
An acknowledgement message will be displayed as shown below:
To delete any group, click on the Delete 
icon displayed under the Action column of the list on the Work Allocation Group.
A confirmation message will be displayed as shown below:
To confirm the deletion of the workload group, click on the Yes button displayed on this pop-up, else click on the No button.
Once the group is deleted, an acknowledgement will be displayed as shown below:
In this way, any specific work allocation group can be edited or deleted.
Video