The SpaceGenericServices.xls workbook lists the space management specific custom classes, interfaces, and attributes that you want in your catalog. This information is necessary for the Update Attributes Command in the Space Management task.
Using custom attributes, you control when attributes update and on which objects. You can also specify the code that calculates the attribute values.
See the Smart 3D Space Management Reference Data for information about custom classes, interfaces, attributes, and naming rules.