firebase firestore how to create nested collection based on recent created document Id?

Question

I am inserting data into a new collection. Once insertion is done I want to get the id of that document and create another collection based on that id. I've tried with my code but it did not work. here is my code :

const insertData = async() => {
  const geocollection = GeoFirestore.collection('home');
  try {
    await geocollection.add({
      title: title,
      timestamps: firestore.FieldValue.serverTimestamp(),
      name: name,
      coordinates: new firebase.firestore.GeoPoint(lat, long),
      images: firebase.firestore.FieldValue.arrayUnion(...downloadUrls),
      user: user,
      status: 0,
    }).then(async(e) => {
      idx = e.id;
      await geocollection.doc(idx)
        .set({
          menu1title: menu1title,
          price1: price1,
          image1: image1,
          menu2title: menu2title,
        });
    });
  } catch (e) {
    console.log(e);
  }
};

Edited :

that's how I've resolved that issue , I have replaced

await geocollection.doc(idx)
        .set({ ...

by

const db = firestore()
   await db.collection("home").doc(idx).collection('menu').doc()
                      .set({ ....})