If you need to display feedback to a user in-app you should use a banner notification. These are perfect for displaying unobtrusive messages at the top of the viewport, such as when a form error occurs or an action has been completed successfully.
If you want to send notifications when the user hasn't opened your app, you should use a Push Notification.
Showing Banner Notifications
You can show banner notifications from anywhere in your application using the AppContext.
Preview
Code
Parameters
Prop
Description
Required
Value
autoclose
determine if the notification disappears automatically