Receiving the same token for different users when using firebase messaging

Question

I use the code below to obtain a token from firebase :

const messaging = firebase.messaging();

messaging.requestPermission()
  .then(() =>{
    return fi         


        

Answer 1

Another possible solution to the problem is to add a field called userId in your data that you send as a notification. And at client side, only show notification if the userId == FirebaseAuth.user.id or similar in case you are not using FirebaseAuth.