rayfarer

/*
Using Cloud Functions, here's what I've come up with for anyone who wants to 
add a timestamp field in a Firestore document. You need to have the Firebase Admin SDK installed in
addition to the general setup for Cloud Functions as detailed in the Firebase documentation.
*/

const functions = require('firebase-functions');

// The Firebase Admin SDK to access the Firebase Realtime Database.
const admin = require('firebase-admin');