private string GetOrCreateFolder(string folderName, string parentFolderId, AuthToken authToken) { string folderId = GetFolder(folderName, parentFolderId, authToken); if (string.IsNullOrEmpty(folderId)) { folderId = CreateFolder(folderName, parentFolderId, authToken); diagnostics.WriteVerboseTrace(TraceEventId.Flow, string.Format("Folder {0} created", folderName)); } return folderId; }