By clicking on the '+' button located in the bottom of cmdtyView and to the right of the default workspaces, you will be prompted to Create New Workspace.
In the ‘Create New Workspace’ dialogue, you can enter in a name for the workspace that will display in the workspace tab once saved.
After saving, you can then add your required panels using either the ‘Add Workspace’ dropdown menu or the main toolbar located at the top of the application.