Open the Properties Palette.
Click “Add property” (plus sign).
Scroll the list, or type a value in the search box to find the property you would like to add.
You can add multiple properties before you close the window.
When clicked, properties are added to the form for the selected element.
Built in Properties will appear in the category to which they belong within the palette list.
If the property has already been added, it will be indicated in the selector
Click off of the properties list to close it.
Can’t find the property you added?
Advanced properties like Slab Thickness or Hide Verticals or properties intended to be set at the Usage level like Floor to Floor will appear in the “All” (advanced) form.