When it comes to the official documentation regarding how to update elements in an array in Firestore, it says that: If your document contains an array field, you can use arrayUnion() and arrayRemove() to add and remove elements. arrayUnion() adds elements to an array but only elements not already present.
Read moreHow do I update my firestore value?
Update and Delete in Firestore
Read moreHow do I add an object to firestore?
How to add data to a nested object in Firestore
Read moreCan you query in firestore?
Cloud Firestore provides powerful query functionality for specifying which documents you want to retrieve from a collection or collection group . These queries can also be used with either get() or addSnapshotListener() , as described in Get Data and Get Realtime Updates.11 Kas 2021
Read moreHow do I connect to Firebase with Python?
How to Set Up a Firebase Realtime Database. Create a new project on Firebase – let’s name it BookStoreProject. Once it has been set up, create a Realtime Database by selecting the Create Database option. When you click on Create Database, you have to specify the location of the database and the security rules.
Read more