Jérôme

My idea was to ensure that (un)subscribe was successful and manage a retry or display an error message if not. If an user uncheck a box to unsubscribe from a...

A function to recover an user subscriptions from its token could be another way to deal with it, you're right. But I don't need the token because my app never...

They cannot choose the name by theirselves, but the app is based on imported data with daily update, and users can subscribe to each of them. I generate a topic...