Create Article Grouping VBG1 for brands or article hierarchy

Hello,

we want to use Bonus Buy for some use cases and would like to use Article Grouping to use brands (WRF_BRANDS) and article hierarchies (WRF_MATGRP_SKU). Is there any way or idea how we could do this? Currently it seems like the standards VBG1 solution only supports material groups (MARA-MATKL) which doesn’t suite all our need.

Any help or ideas are highly appreciated.