add_faiss_index import unkown | what should i import or install to use add_faiss_index

Question

using faiss to add index embeddings

embeddings_dataset.add_faiss_index(column='embeddings')

I have error while loading this code because I don't know what to import to use add_faiss_index, I tried importing faiss , also tired from datasets.Dataset import add_faiss_index it isnot valid and I don't find any good documentation to understand please help

I tried using add_faiss_index() functions but unable to use it since I am unaware of what to import