Clarification on Bringing Generative AI to Life with NVIDIA Jetson

Here at, https://youtu.be/6mCFzDatGGc?t=1732 this time stamp, the actions functionality was explained. How to get the code base for this or any references?

Dupicated with Clarification on Bringing Generative AI to Life with NVIDIA Jetson - Jetson & Embedded Systems / Jetson Projects - NVIDIA Developer Forums