How do I send push notifications from one device to another in Flutter?

Publish to a specific User: Web . Beams allows you to send notifications to individual users of your application via their user ID (whatever ID you use in your system). You can do this by associating users with their devices using the Authenticated Users feature.

To send a notification, go to Firebase Console → Cloud Messaging and click on Send your first message. Then enter the Title and body field. If you wish to send it to a particular device then click on Send test message and enter the FCM registration token. (Enter the current FCM registration token).

To send a notification, go to Firebase Console → Cloud Messaging and click on Send your first message. Then enter the Title and body field. If you wish to send it to a particular device then click on Send test message and enter the FCM registration token. (Enter the current FCM registration token).