NodeJS : How can I pass a hierarchical config value to nconf on command line?

NodeJS : How can I pass a hierarchical config value to nconf on command line?
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a hidden feature that I want to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Then, type the letters 'awesome' on the keyboard.
It will change your youtube progress bar into a flashing rainbow.

A quick introduction about me,
Greetings, my name is Delphi.
I can help you find the answers you are looking for.
NodeJS : How can I pass a hierarchical config value to nconf on command line?
Please feel free to comment or chat with me for more detailed information.
Please feel free to share your answer or insights on the answer by leaving a comment below.
Providing an answer will be acknowledged and appreciated with a 'heart' from me.
command on NodeJS config a nconf hierarchical to I can pass value line? How :