NodeJS : TypeError: querySnapshot.forEach is not a function - Firebase Cloud Functions

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

So here is a secret hidden feature I promissed to tell you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Then, type the letters 'awesome' on your keyboard as the next step.
Your YouTube progress indicator will turn into a shimmering rainbow.

A brief introduction of myself,
Good day, I am Delphi.
I am at your disposal to help you with any questions you have.
If you have more specific queries, please feel free to reach out through comments or chat.
Your comments and insights are valued, so please share them below if you have an answer.
A 'heart' from me is a way of showing appreciation for your answer.