I am working on a project where I have implemented the following: A FastAPI backend to handle file uploads, which returns a file_id after successful upload. A Vapi assistant to take the file as knowledge basses A React frontend that interacts with the assistant. Issue: I am able to successfully upload the file via the React frontend and the FastAPI backend returns a file _id. However, I am stuck on how to send this file_id from my React frontend to the Vapi assistant. I have checked the documentation but not able to find a solution Continue reading...