Some categories, such as mechanical equipment, specialty equipment, furnishings, etc. can have a large number of different type elements (such as pumps, air handling units, fans, blowers, tanks, medical furnishings, interior light, exterior lighting, curtain wall doors, curtain wall windows, electrical variable frequency drives, power panels, switchboards, etc.), we need the capability to add parameters to an object style subcategory. This will filter what the user sees when selecting an item, and reviewing the parameters in the properties palette.