The Classify for Autodesk® Revit® Add-In provides you the opportunity to easily check Assembly Codes in a Revit model.
The elements are grouped in a list by category and type.
You can select any uniformat classifications file you want.
This trial version is limited, you cannot change or add an Assembly Code!
Change or add an Assembly Code is possible in the paid version
Note: This app uses a custom installer (and not the standard App Store installer).