Note: Only admins have the option to edit the Departmental Cascade
1.Navigate to the "Settings" section in your profile
2.Select the "Departments" option found under the Workspace section
3.Select the "Add Department" button
4.Enter the name of the new department. Select the parent department from the list of already created departments, then click "Create"
5.The department will show in the list along with the parent department mapped to it