In this FICO configuration activity you are able to change or create screen layout rule keys. In another transaction we will be able to control which fields will be optional, mandatory or hidden.
IMG Path: Financial Accounting (New) -> Asset Accounting -> Organizational Structures -> Asset Classes -> Create Screen Layout Rules
Table: T082A, T082H
When you open the transaction you will get following screen. Here you can change the name of an already existing key or create new using the copy function.