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 a 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).