Deploying nubus in ucs

Hello everyone,
I am pretty new in univention nubus and ucs as a whole. I want to ask about this statement from the ucs manual
image
It says nubus can be deploy in the UCS. My question is how? does it need to be installed from app center or came from extension? I try to search it on nubus documentation. But i just found on how to deploy nubus in kubernetes. I will appreciate everyone answer thank you

The Nubus components are an integral part of UCS. When you install UCS (from the ISO image) the Nubus components will automatically be installed.

In UCS they come packaged in the form of Debian packages and Docker containers. But you won’t have to worry about that - installation and upgrades are automated.

Ok thank u very much for your answer man. Have a nice day!