Please note this is not free.
Go to Management - Settings and choose the tab 'Workspaces'. Then click on the button 'Add a workspace'.
When you added the workspace you can assign personnel to this extra workspace or department. Assigning personnel to workspaces goes as follows.
Management - Users - Edit (pencil icon) of the personnel who you'd like to assign.
In the tab 'Personal Details' you can add a workspace.
Now you can go to the tab of the new workplace and select a work area for this person.
Don't forget to click on the green 'Save' button below.
Attention: if you have not yet added work areas for this work space, please read this article for more information.