FluentToastInverted.razor

@inject IToastService ToastService

<FluentButton OnClick="@OpenToastAsync">
   Make toast
</FluentButton>

@code {
    int clickCount = 0;

    private async Task OpenToastAsync()
    {
        var result = await ToastService.ShowToastAsync(options =>
        {
            options.Intent = ToastIntent.Info;
            options.Title = $"Toast title {++clickCount}";
            options.Body = "Toasts are used to show brief messages to the user.";
            options.Subtitle = "subtitle";
            options.QuickAction1 = "Action";
            options.QuickAction1Callback = () =>
            {
                Console.WriteLine("Action 1 executed.");
                return Task.CompletedTask;
            };
            options.IsDismissable = true;
            options.DismissAction = "Close";
            options.OnStatusChange = (e) =>
            {
                   Console.WriteLine($"Status changed: {e.Id} - {e.Status}");
            };
            options.Inverted = true;
        });
        Console.WriteLine($"Toast result: {result}");
    }
}