I am working with cloud functions. Initially, I am extracting data from a collection and then I have to add the same data to another document but I want to change to the timestamp to next month. Example - Old timestamp - 24 February 2022 at 03:00:00 UTC+5:30 The timestamp I want to add to a new collection - 24 March 2022 at 03:00:00 UTC+5:30 My code -

    /* eslint-disable */
    const functions = require("firebase-functions");
    const admin = require('firebase-admin');
    admin.initializeApp();
    const database = admin.firestore();

    exports.checkForPending = functions.pubsub.schedule('* * * * *').onRun(async 
      (context) => {
        const query = 
        database.collection("users").doc('IELTS').collection('IELTS').where("next", '<=', admin.firestore.Timestamp.now());
        const snapshot = await query.get();
        snapshot.forEach(doc => {
          console.log(doc.id, '=>', doc.data().name);
          database.collection('pending').add(doc.data()); 
        });

       return null;
     });    

Thank you in advance!