private void AddImageToProductItem(ProductItem product) { LibrariesManager librariesManager = LibrariesManager.GetManager(); if (product == null) { return; // Product does not exist } var defaultAlbum = librariesManager.GetAlbums().FirstOrDefault(a => a.Id == LibrariesModule.DefaultImagesLibraryId); Telerik.Sitefinity.Libraries.Model.Image image = UploadImage(librariesManager, "imageTitle1", "imageTitle1", "Some description", 0, Guid.Empty, defaultAlbum); product.CreateRelation(image, "ProductImage"); }