This article will help customize module container titles and adding new titles to the list.
Access to the customer file system in order to open the customer UI
The container names in the list are automatically populated based on the files in the Container directory. In this specific case, that directory is: /portals/_default/containers/xillion/
If you make a copy of one of the existing .ascs files and rename it, the new file will show up in the dropdown list.
Content Author: Rafal Zebrowski