How to build a custom LLM Model using sitemap loader(langchain) & HuggingFace,Chromadb

Pls kindly go thru the code and let me know what to add.

from langchain.document_loaders.sitemap import SitemapLoader
sitemap_loader = SitemapLoader(web_path=“websiteURL”-sitemap.xml")

docs = sitemap_loader.load()
sitemap_loader.requests_per_second = 2

Optional: avoid [SSL: CERTIFICATE_VERIFY_FAILED] issue

sitemap_loader.requests_kwargs = {“verify”: False}

from langchain.text_splitter import CharacterTextSplitter
text_splitter = CharacterTextSplitter(chunk_size=40, chunk_overlap=0)
texts = text_splitter.split_documents(docs)