Once the work allocation is added, the users can either edit the existing queue or delete them.
To edit any allocation, click on the Edit 
icon displayed under the Action column of the list on the Work Allocation.
Work Allocation page will be displayed as shown below:
Once the allocation details are edited, click on the Update button displayed on the fourth step, refer to Add Work Allocation.
A confirmation pop- up will be displayed. Click OK button on this pop-up to confirm the deletion, else click on the Cancel button, as shown below:
An acknowledgement message will be displayed as shown below:
To delete any work allocation, click on the Delete 
icon displayed under the Action column of the list on the Work Allocation.
A confirmation message will be displayed. To confirm the deletion of the work, click on the Yes button displayed on this pop-up, else click on the No button as shown below:
Once the queue is deleted, an acknowledgement will be displayed as shown below:
In this way, any specific work allocation can be edited or deleted.
Video