Cannot add header request to websocket

[PhuLecong]

I cannot add header request to websocket. the headers prop just be message header.

[anisharya16]

i also want to send some data (lets say id: "12345") in header on websocket connection establishment. I could do it using Postman but not sure how to do it in React application using Websocket. Anyone have any idea how to do it? or any other websocket npm library.