SenseNet.ContentRepository.User.UpdateLastSync C# (CSharp) Method

        public void UpdateLastSync(Guid? guid)
        {
            if (guid.HasValue)
                this["SyncGuid"] = ((Guid)guid).ToString();
            this["LastSync"] = DateTime.Now;

            // update object without syncing to AD
            _syncObject = false;

            this.Save();
        }