FB_FolderStructure scans the namespace and generates a datastructure. This Datastructure can then be used for FB_VisuFolderStructure and can be made visible using standard available objects from the visualisation objects manager.
Note that in the spec, it suggests some folder structure like:
But this leaves the possibilty for collisions, if an Edge-Metric has a Metric with the same name as a Device.
So it may be better to layout the folder as:
Diff:
Diff: