public Permission AddPermission(string fileId, string email, string type, string role) { Permission objPermmision = null; try { var service = _googleDriveOperation.GetDriveService(); objPermmision = _googleDriveOperation.AddPermission(service, fileId, email, type, role); } catch (Exception ex) { Logger.Error(ex.StackTrace); } return(objPermmision); }