RAG : task type

[arindam-b]

Reference: https://github.com/GoogleCloudPlatform/generative-ai/blob/main/embeddings/task-type-embedding.ipynb

When I am using a RAG, how would I call it if I want to use "RETRIEVAL_DOCUMENT" to get an answer to the question? The example in the notebook demonstrates the cosine distances. However, it does not give an example, how to use effectively to retrieve an answer. Can you please guide me?