Hi, I am trying to building a solution using custom llm, I see that I can say the first message using the gui in the dashboard. After the first message I want my assistant to wait for 10 seconds. and if the user is inactivate, I want the llm to speak or prompt the user to speak. Can I do this with custom llm in python - fastapi - webhook. Is this something related to

timeoutSeconds

in custom llm - https://docs.vapi.ai/changelog/2025/3/17?