I want to modify this tutorial to collect event for each request independently.
And achieve independent event streaming for each request.
https://github.com/rsrohan99/rag-stream-intermediate-events-tutorial/tree/b5062c31d0c4a9cf619f673de84967f2f7c12e35

Based on my understanding, a eventHandler of dispatcher will be applied to all of the request so when requests processed parallelly, events will be returned to the wrong user.
How can I distinct event per user?

Events that I want to utilize:
https://docs.llamaindex.ai/en/stable/api_reference/instrumentation/event_types/