Transfered from EAP ldeas list
Mstn Level Properties already store Name, Description, Library, Number, Priority, Transparency, Global Display/Freeze, Plot... ByLevel and Override settings for Color, Style, Weight, Material, Custom linestyles.. Used. Why not add ...

A LOD property, so that these levels can be filtered.
An ACS, datum/construction geometry, annotation, group etc property, so that these levels can be filtered.
A DV cut/fwd/back/outside property so that these levels can be filtered.

https://communities.bentley.com/products/building/building_analysis___design/f/5917/p/94861/276584.aspx#276584