Is there a way to send notification to specific user?

[anta40]

So far, ntfy works great for global notification, which means all app users receive the notification.
What about sending notification to a specific user, e.g payment notification?

[wunter8]

In ntfy (and other pub/sub systems), if you want to send a message to a specific user or group of users, you need to create a specific topic for that user/group. So each user will subscribe to their specific topic and can subscribe to one or more "general" topics