You can substitute a business name for an I/O element in an attribute value by appending "/bus" to the attribute name in either
the Find What or Replace With fields in the Change Rules window.
Suppose the Catalog-Master variable has the business name Master Catalog. Now you want to replace the existing Business Description for the Rewrite Catalog-Master rule with the text "Rewrite Master Catalog." You would select the Business Description attribute in the Select Attribute
field and enter in the Replace With