Function onNotificationOpenedApp

onNotificationOpenedApp(
messaging: Messaging,
listener: (message: RemoteMessage) => any,
): () => void
When the user presses a notification displayed via FCM, this listener will be called if the app has opened from a background state.
Parameters
- messaging: Messaging
  Messaging instance.
- listener: (message: RemoteMessage) => any
  Called with a RemoteMessage when a notification press opens the application.
Returns () => void
Function to unsubscribe from the notification opened listener.
- Defined in modular.ts:96