Tool computes number of occurrences (total no of part/assembly used), referenced in selected assembly. This can be assigned to custom iproperty as per user requirement, or user can also opt only for excel report. So user will have quantity of sub-assemblies along with parts for all levels.
This Custom iproperty can be used as per requirements in drawings by referring custom iProperty.
For further info visit: Help.
Note: This app uses a custom installer and not the Autodesk App Store standard installer.