/// <summary> /// Sends a notification to all registered devices. /// </summary> /// <typeparam name="TData">The type of data sent in the notification payload.</typeparam> /// <param name="service">Instance of <see cref="IPushNotificationService"/>.</param> /// <param name="title">Message of notification.</param> /// <param name="body">Body of notification.</param> /// <param name="data">Data passed to mobile client, not visible to notification toast.</param> /// <param name="classification">The type of the Push Notification.</param> public static Task BroadcastAsync <TData>(this IPushNotificationService service, string title, string body, TData data, string classification = null) where TData : class => service.BroadcastAsync(title, body, data != null ? JsonSerializer.Serialize(data, JsonSerializerOptionDefaults.GetDefaultSettings()) : null, classification);