SambaPOS Loyalty Card

I saw this video:

there is a guide that explains how to do this?
I’d like to manage Cliento with cards

 https://www.youtube.com/watch?v=5kbHtVIXmWE&list=UUOojM5P6K2p0jaVs5Y7rmMQ

This video is

We have a sample database under this topic.