protected static FR_Guid Execute(DbConnection Connection, DbTransaction Transaction, P_L2BD_SDLfT_1514 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            #region UserCode
            var returnValue = new FR_Guid();
            //Put your code here

            ORM_ACC_DUN_Dunning_Model.Query modelQuery = new ORM_ACC_DUN_Dunning_Model.Query();
            modelQuery.IsDeleted = false;
            modelQuery.IsDefaultCustomerModel = true;
            modelQuery.Tenant_RefID           = securityTicket.TenantID;
            ORM_ACC_DUN_Dunning_Model model = ORM_ACC_DUN_Dunning_Model.Query.Search(Connection, Transaction, modelQuery).First();

            if (Parameter.DunningID != null && Parameter.DunningID != Guid.Empty)
            {
                ORM_ACC_DUN_Dunning_Level.Query existingLevelQuery = new ORM_ACC_DUN_Dunning_Level.Query();
                existingLevelQuery.Tenant_RefID            = securityTicket.TenantID;
                existingLevelQuery.IsDeleted               = false;
                existingLevelQuery.ACC_DUN_Dunning_LevelID = Parameter.DunningID;
                ORM_ACC_DUN_Dunning_Level existingLevel = ORM_ACC_DUN_Dunning_Level.Query.Search(Connection, Transaction, existingLevelQuery).First();

                if (Parameter.Deleting)
                {
                    existingLevel.IsDeleted = true;
                }
                else
                {
                    existingLevel.GlobalPropertyMatchingID = Parameter.DunningLevelName;
                    existingLevel.ParentLevel_RefID        = Parameter.ParentLevelID;

                    Boolean contentExists = false;
                    foreach (var item in existingLevel.DunningLevelName.Contents)
                    {
                        if (item.LanguageID == Parameter.LanguageID)
                        {
                            contentExists = true;
                        }
                    }

                    if (contentExists)
                    {
                        existingLevel.DunningLevelName.UpdateEntry(Parameter.LanguageID, Parameter.DunningLevelName);
                    }
                    else
                    {
                        existingLevel.DunningLevelName.AddEntry(Parameter.LanguageID, Parameter.DunningLevelName);
                    }
                }
                ORM_ACC_DUN_DunningLevel_ModelAssignment.Query existingModelAssignmentQuery = new ORM_ACC_DUN_DunningLevel_ModelAssignment.Query();
                existingModelAssignmentQuery.Dunning_Level_RefID = existingLevel.ACC_DUN_Dunning_LevelID;
                existingModelAssignmentQuery.Dunning_Model_RefID = model.ACC_DUN_Dunning_ModelID;
                existingModelAssignmentQuery.Tenant_RefID        = securityTicket.TenantID;
                existingModelAssignmentQuery.IsDeleted           = false;
                ORM_ACC_DUN_DunningLevel_ModelAssignment existingModelAssignment = ORM_ACC_DUN_DunningLevel_ModelAssignment.Query.Search(Connection, Transaction, existingModelAssignmentQuery).First();

                if (Parameter.Deleting)
                {
                    existingModelAssignment.IsDeleted = true;
                }
                else
                {
                    existingModelAssignment.DunningFee    = Parameter.DunningFee;
                    existingModelAssignment.OrderSequence = Parameter.OrderSequence;
                    existingModelAssignment.WaitPeriodToNextDunningLevel_In_Days = Parameter.WaitPeriod;
                }

                existingLevel.Save(Connection, Transaction);
                existingModelAssignment.Save(Connection, Transaction);
            }
            else
            {
                ORM_ACC_DUN_Dunning_Level newLevel = new ORM_ACC_DUN_Dunning_Level();
                newLevel.ACC_DUN_Dunning_LevelID  = Guid.NewGuid();
                newLevel.ParentLevel_RefID        = Parameter.ParentLevelID;
                newLevel.Tenant_RefID             = securityTicket.TenantID;
                newLevel.Creation_Timestamp       = DateTime.Now;
                newLevel.GlobalPropertyMatchingID = Parameter.DunningLevelName;
                newLevel.DunningLevelName         = new Dict(ORM_ACC_DUN_Dunning_Level.TableName);
                newLevel.DunningLevelName.AddEntry(Parameter.LanguageID, Parameter.DunningLevelName);
                newLevel.IsDeleted = false;
                newLevel.Save(Connection, Transaction);

                ORM_ACC_DUN_DunningLevel_ModelAssignment newModelAssignment = new ORM_ACC_DUN_DunningLevel_ModelAssignment();
                newModelAssignment.ACC_DUN_DunningLevel_ModelAssignmentID = Guid.NewGuid();
                newModelAssignment.Tenant_RefID        = securityTicket.TenantID;
                newModelAssignment.IsDeleted           = false;
                newModelAssignment.Creation_Timestamp  = DateTime.Now;
                newModelAssignment.Dunning_Level_RefID = newLevel.ACC_DUN_Dunning_LevelID;
                newModelAssignment.Dunning_Model_RefID = model.ACC_DUN_Dunning_ModelID;
                newModelAssignment.WaitPeriodToNextDunningLevel_In_Days = Parameter.WaitPeriod;
                newModelAssignment.DunningFee    = Parameter.DunningFee;
                newModelAssignment.OrderSequence = Parameter.OrderSequence;
                newModelAssignment.Save(Connection, Transaction);
            }

            return(returnValue);

            #endregion UserCode
        }
        protected static FR_Guid Execute(DbConnection Connection, DbTransaction Transaction, P_L5BD_SDPLC_1642 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            #region UserCode
            var returnValue = new FR_Guid();

            var details = Parameter.BillHeaderWithDetails.DunningDetails;
            var bill    = Parameter.BillHeaderWithDetails.Bill;

            //model
            var model = new ORM_ACC_DUN_Dunning_Model();
            model.Load(Connection, Transaction, details.ACC_DUN_Dunning_ModelID);

            var modelToLevelsAssignmentQuery = new ORM_ACC_DUN_DunningLevel_ModelAssignment.Query();
            modelToLevelsAssignmentQuery.Dunning_Model_RefID = model.ACC_DUN_Dunning_ModelID;
            modelToLevelsAssignmentQuery.Dunning_Level_RefID = Parameter.NextLevelID;
            modelToLevelsAssignmentQuery.Tenant_RefID        = securityTicket.TenantID;
            var foundModelToLevelsAssignment = ORM_ACC_DUN_DunningLevel_ModelAssignment.Query.Search(Connection, Transaction, modelToLevelsAssignmentQuery).Single();

            //dunning process loading
            var dunningProcess = new ORM_ACC_DUN_DunningProcess();
            dunningProcess.Load(Connection, Transaction, details.ACC_DUN_DunningProcessID);
            dunningProcess.Current_DunningLevel_RefID    = Parameter.NextLevelID;
            dunningProcess.ReachesNextDunningLevelAtDate = DateTime.Now.AddDays(foundModelToLevelsAssignment.WaitPeriodToNextDunningLevel_In_Days);
            dunningProcess.Save(Connection, Transaction);

            //get all previous history statuses
            var historyQuery = new ORM_ACC_DUN_DunningProcess_History.Query();
            historyQuery.ACC_DUN_DunningProcess_RefID = dunningProcess.ACC_DUN_DunningProcessID;
            historyQuery.Tenant_RefID = securityTicket.TenantID;
            var foundHistories = ORM_ACC_DUN_DunningProcess_History.Query.Search(Connection, Transaction, historyQuery).ToList();

            decimal summOfFees = 0;

            //and set their IsCurrentStep property
            foreach (var history in foundHistories)
            {
                history.IsCurrentStep = false;
                history.Save(Connection, Transaction);

                //while iterating, create summ of all fees in histories for dunning process
                if (history.IsSentToCustomer)
                {
                    summOfFees += history.DunningProcessFee_IncludingThisDunningLevel;
                }
            }

            var newHistoryEntity = new ORM_ACC_DUN_DunningProcess_History();
            newHistoryEntity.ACC_DUN_Dunning_Level_RefID  = Parameter.NextLevelID;
            newHistoryEntity.ACC_DUN_DunningProcess_RefID = dunningProcess.ACC_DUN_DunningProcessID;
            newHistoryEntity.DunningProcessFee_IncludingThisDunningLevel = Parameter.FeeForLevel;
            newHistoryEntity.IsCurrentStep = true;
            newHistoryEntity.Tenant_RefID  = securityTicket.TenantID;

            var savedNewHistoryID = new FR_Guid(newHistoryEntity.Save(Connection, Transaction), newHistoryEntity.ACC_DUN_DunningProcess_HistoryID).Result;

            var memberBills = new ORM_ACC_DUN_DunningProcess_MemberBill();
            memberBills.Load(Connection, Transaction, details.ACC_DUN_DunningProcess_MemberBillID);
            memberBills.ApplicableProcessDunningFees = summOfFees + newHistoryEntity.DunningProcessFee_IncludingThisDunningLevel; //added fee from new history also

            #region Save booking line for dunning fee

            var bookingParam = new CL3_Payments.Complex.Manipulation.P_L3PY_CATfDF_0849
            {
                DunningFee   = Parameter.FeeForLevel,
                BillHeaderID = Parameter.BillHeaderWithDetails.Bill.BIL_BillHeaderID
            };
            CL3_Payments.Complex.Manipulation.cls_Create_AccountingTransaction_for_Dunning_Fee.Invoke(Connection, Transaction, bookingParam, securityTicket);

            #endregion

            returnValue.Result = savedNewHistoryID;

            return(returnValue);

            #endregion UserCode
        }