Azure Notification Hub supports two types device registration, client and backend registration:
- In the client registration scenario, the application calls the Azure Notification Hub with the device handle that's received on the native platform. In this scenario, only the device handle can be used to identify the user. In order for the backend services to send notification messages to the target device, the device should pass on the notification information to the backend service.
- In a backend registration scenario, the backend service handles registration with the Azure Notification Hub. This scenario allows the backend service to insert additional information to the registration data, such as user information (for example, ...