This is not part of the freeCodeCamp curriculum, if that’s what you’re asking. There is some material created by freeCodeCamp content contributors. You can search freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More for articles and tutorials. For example: RAG articles. Very often, content like what you are requestion is focused on implementing specific LLM and genAI models using specific tools. Your best bet for training and tutorials is to search using the model(s) and tool(s) that you are interested in.