public Guid CreatePersonFace(Item item, string groupId, Guid personId, Stream imageStream)
        {
            try
            {
                var faceResponse = FaceService.AddPersonFace(groupId, personId, imageStream);
                if (faceResponse == null)
                {
                    return(Guid.Empty);
                }

                DataWrapper.UpdateFields(item, new Dictionary <ID, string>
                {
                    { Settings.FacePersistedFaceIdFieldId, faceResponse.PersistedFaceId.ToString("D") }
                });

                return(faceResponse.PersistedFaceId);
            }
            catch { }

            return(Guid.Empty);
        }