they are generally a part of this system:

https://bitbucket.org/walczak_it/prodoko-base/src

The entities that take part in this are here:

https://bitbucket.org/walczak_it/prodoko-base/src/c01cf8e62e22625e32cda46422e584d80fdf8c94/prodoko-base-server-api/src/main/java/com/prodoko/base/model/dynamic/?at=master

and here:

https://bitbucket.org/walczak_it/prodoko-base/src/c01cf8e62e22625e32cda46422e584d80fdf8c94/prodoko-base-server-api/src/main/java/com/prodoko/base/model/basic/legalentities/?at=master

^ look for *DynamicClass and *HeirarchyService

The implementation of the services are here:

https://bitbucket.org/walczak_it/prodoko-base/src/c01cf8e62e22625e32cda46422e584d80fdf8c94/prodoko-base-server-lib/src/main/java/com/prodoko/base/server/dynamic/AbstractDynamicClassHierarchyServiceImpl.java?at=master

https://bitbucket.org/walczak_it/prodoko-base/src/c01cf8e62e22625e32cda46422e584d80fdf8c94/prodoko-base-server-lib/src/main/java/com/prodoko/base/server/basic/legalentities/LegalEntityHierarchyServiceImpl.java?at=master

https://bitbucket.org/walczak_it/prodoko-base/src/c01cf8e62e22625e32cda46422e584d80fdf8c94/prodoko-base-server-lib/src/main/java/com/prodoko/base/server/basic/legalentities/LegalEntityDynamicClassesCrudServiceImpl.java?at=master

This file contains the query B at the moment that works:

https://bitbucket.org/walczak_it/prodoko-base/src/c01cf8e62e22625e32cda46422e584d80fdf8c94/prodoko-base-server-lib/src/main/resources/com/prodoko/base/server/dynamic/orm.xml?at=master