Background task to record time and wite it into file in uwp application

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UWP

Toast notification have a "close button" in the upper right corner.I want to record the time-stamp and the title of thee toast when user click that "close button" in the UWP application.Is it possible to achieve?

What I have tried:

public class MyBackgroundTask : IBackgroundTask
{
public void Run(IBackgroundTaskInstance taskInstance)
{
var deferral = taskInstance.GetDeferral();
var details = taskInstance.TriggerDetails as ToastNotificationHistoryChangedTriggerDetail;
if (details != null)
{
if (details.ChangeType == ToastHistoryChangedType.Cleared || details.ChangeType == ToastHistoryChangedType.Removed)
{
// get current time
}
}
deferral.Complete();
}
}