ArcGISPortalViewer.Model.FavoritesService.SaveFavorites C# (CSharp) Method

        public void SaveFavorites(List<string> favoriteItems)
        {
            if (favoriteItems == null)
                return;

            ApplicationDataContainer roamingSettings = ApplicationData.Current.RoamingSettings;
            try
            {
                roamingSettings.Values["FavoritesList"] = favoriteItems.Count > 0 ? favoriteItems.ToArray() : new string[]{""};
            }
            catch (Exception ex)
            {
                var _ = App.ShowExceptionDialog(ex);
            }
        }