void ISoapTransactionLinkExecutor.ExecuteTransaction(Guid sessionId, TransactionalMappingToolServiceClient serviceProxy)
        {
            SessionId = sessionId;
            ServiceProxy = serviceProxy;

            ServiceProxy.MACompleted += OnAddMetadataCompleted;
            ServiceProxy.MAAsync(CallingUrl.Url, SessionId, DomainParameter.GetParameterValue(sessionId), RootMapParameter.GetParameterValue(sessionId), NodeParameter.GetParameterValue(sessionId), RelationshipParameter.GetParameterValue(sessionId), MapManager.ConnectionTypes.ConvertProxyToService(ConnectionType), MapManager.MetadataTypes.ConvertProxyToService(MetadataType), Name, Value, this);
        }