I use it so that I use the Onesignal extension and upload the UserID received there from Onesignal into my Firebase matching the user. If another user wants to write to this user, I only need the UserID of this user and then send a push message.
I use it so that I use the Onesignal extension and upload the UserID received there from Onesignal into my Firebase matching the user. If another user wants to write to this user, I only need the UserID of this user and then send a push message.