NodeJS : Correct way of passing data from socket.io middleware to event

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a secret feature that I want to reveal to you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Next, enter the letters 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

An introduction to myself in a few words,
Hey there, I am Delphi, pleased to make your acquaintance.
I can help you find the answers you are looking for.
Don't hesitate to leave a comment or start a chat if you have a more specific question.
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A 'heart' from me is a way of showing appreciation for your answer.