private async Task CreateActivityAsync(AppContent target)
{
var channel = UserActivityChannel.TryGetForWebAccount(Account);
var activity = await channel.GetOrCreateUserActivityAsync(target.Id);
activity.ActivationUri = new Uri($"decodedemo:?id={target.Id}");
var card = target.ToAdaptiveCard();
activity.VisualElements.Content = AdaptiveCardBuilder.CreateAdaptiveCardFromJson(card.ToJson());
activity.VisualElements.DisplayText = target.Title;
await activity.SaveAsync();
_currentActivity?.Dispose();
_currentActivity = activity.CreateSession();
}