protected static FR_Guids Execute(DbConnection Connection, DbTransaction Transaction, P_L5BD_SCDP_1347 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            #region UserCode
            var returnValue = new FR_Guids();
            //Put your code here

            var savedProcesses = new List <Guid>();

            foreach (var billHeaderID in Parameter.BIL_BillHeaderIDs.ToList())
            {
                #region Prerequisites

                var billHeader = new ORM_BIL_BillHeader();
                billHeader.Load(Connection, Transaction, billHeaderID);

                //assigned payments
                var assignedPaymentsQuery = new ORM_BIL_BillHeader_AssignedPayment.Query();
                assignedPaymentsQuery.BIL_BillHeader_RefID = billHeader.BIL_BillHeaderID;
                assignedPaymentsQuery.Tenant_RefID         = securityTicket.TenantID;
                var foundAssignmentPayments = ORM_BIL_BillHeader_AssignedPayment.Query.Search(Connection, Transaction, assignedPaymentsQuery);

                //calculated sum of payments to the present day
                var paymentsSummForCurrentDate = foundAssignmentPayments.Where(fap => fap.Creation_Timestamp <= DateTime.Now).Sum(x => x.AssignedValue);

                //customer
                var customerQuery = new ORM_CMN_BPT_CTM_Customer.Query();
                customerQuery.Tenant_RefID = securityTicket.TenantID;
                customerQuery.Ext_BusinessParticipant_RefID = billHeader.BillRecipient_BuisnessParticipant_RefID;
                var foundCustomer = ORM_CMN_BPT_CTM_Customer.Query.Search(Connection, Transaction, customerQuery).Single();

                //Model
                ORM_ACC_DUN_Dunning_Model.Query defaultDunningModelQuery = new ORM_ACC_DUN_Dunning_Model.Query();
                defaultDunningModelQuery.Tenant_RefID           = securityTicket.TenantID;
                defaultDunningModelQuery.IsDefaultCustomerModel = true;
                var foundDunningModel = ORM_ACC_DUN_Dunning_Model.Query.Search(Connection, Transaction, defaultDunningModelQuery).SingleOrDefault();

                //Assignment to levels
                var modelToLevelsAssignmentQuery = new ORM_ACC_DUN_DunningLevel_ModelAssignment.Query();
                modelToLevelsAssignmentQuery.Dunning_Model_RefID = foundDunningModel.ACC_DUN_Dunning_ModelID;
                modelToLevelsAssignmentQuery.Tenant_RefID        = securityTicket.TenantID;
                var foundModelToLevelsAssignments = ORM_ACC_DUN_DunningLevel_ModelAssignment.Query.Search(Connection, Transaction, modelToLevelsAssignmentQuery);

                var minimalLevelInSequence = foundModelToLevelsAssignments.OrderBy(la => la.OrderSequence).First();



                //Levels
                var dunningLevels = new ORM_ACC_DUN_Dunning_Level();
                //dunningLevels.Load(Connection, Transaction, foundModelToLevelsAssignment.Dunning_Level_RefID);

                #endregion

                //model to customer assignment
                var modelToCustomerAssignment = new ORM_ACC_DUN_Dunning_Model_2_Customer();
                modelToCustomerAssignment.Tenant_RefID = securityTicket.TenantID;
                modelToCustomerAssignment.ACC_DUN_DunningModel_RefID = foundDunningModel.ACC_DUN_Dunning_ModelID;
                modelToCustomerAssignment.CMN_BPT_CTM_Customer_RefID = foundCustomer.CMN_BPT_CTM_CustomerID;
                var savedModelToCustomerAssignmentID = new FR_Guid(modelToCustomerAssignment.Save(Connection, Transaction), modelToCustomerAssignment.AssignmentID);

                //dunning process
                P_L2BD_SADDP_1412 saveDunningProcessParameter = new P_L2BD_SADDP_1412();
                saveDunningProcessParameter.DunnedCustomer_RefID          = foundCustomer.CMN_BPT_CTM_CustomerID;
                saveDunningProcessParameter.DunningModel_RefID            = foundDunningModel.ACC_DUN_Dunning_ModelID;
                saveDunningProcessParameter.Current_DunningLevel_RefID    = minimalLevelInSequence.Dunning_Level_RefID;
                saveDunningProcessParameter.DunnedAmount_Total            = billHeader.TotalValue_BeforeTax - paymentsSummForCurrentDate;
                saveDunningProcessParameter.Currency_RefID                = billHeader.Currency_RefID;
                saveDunningProcessParameter.ReachesNextDunningLevelAtDate = DateTime.Now.AddDays(minimalLevelInSequence.WaitPeriodToNextDunningLevel_In_Days);

                var savedDunningProcessID = cls_Save_ACC_DUN_DunningProcess.Invoke(Connection, Transaction, saveDunningProcessParameter, securityTicket).Result;

                //dunning process member bills
                P_L2BD_SADDPMB_1359 saveMemberBillsParameter = new P_L2BD_SADDPMB_1359();
                saveMemberBillsParameter.BIL_BillHeader_RefID         = billHeaderID;
                saveMemberBillsParameter.ACC_DUN_DunningProcess_RefID = savedDunningProcessID;
                saveMemberBillsParameter.ApplicableProcessDunningFees = 0;
                saveMemberBillsParameter.CurrentUnpaidBillFraction    = 0;

                var savedMemberBillID = cls_Save_ACC_DUN_DunningProcess_MemberBill.Invoke(Connection, Transaction, saveMemberBillsParameter, securityTicket).Result;
                savedProcesses.Add(savedMemberBillID);

                //dunning process history
                var dunningProcessHistory = new ORM_ACC_DUN_DunningProcess_History();
                dunningProcessHistory.ACC_DUN_Dunning_Level_RefID  = minimalLevelInSequence.Dunning_Level_RefID;
                dunningProcessHistory.ACC_DUN_DunningProcess_RefID = savedDunningProcessID;
                dunningProcessHistory.Creation_Timestamp           = DateTime.Now;
                dunningProcessHistory.DunningProcessFee_IncludingThisDunningLevel = 0;
                dunningProcessHistory.IsCurrentStep = true;
                dunningProcessHistory.Tenant_RefID  = securityTicket.TenantID;

                var savedDunningProcessHistoryID = new FR_Guid(dunningProcessHistory.Save(Connection, Transaction), dunningProcessHistory.ACC_DUN_DunningProcess_HistoryID);
            }

            returnValue.Result = savedProcesses.ToArray();

            return(returnValue);

            #endregion UserCode
        }
 ///<summary>
 /// Invokes the method for the given Connection, and Transaction, leaving them open/not commited if no exceptions occured
 ///<summary>
 public static FR_Guids Invoke(DbConnection Connection, DbTransaction Transaction, P_L5BD_SCDP_1347 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
 {
     return(Invoke(Connection, Transaction, null, Parameter, securityTicket));
 }
        ///<summary>
        /// Method Invocation of wrapper classes
        ///<summary>
        protected static FR_Guids Invoke(DbConnection Connection, DbTransaction Transaction, string ConnectionString, P_L5BD_SCDP_1347 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
        {
            bool cleanupConnection  = Connection == null;
            bool cleanupTransaction = Transaction == null;

            FR_Guids functionReturn = new FR_Guids();

            try
            {
                if (cleanupConnection == true)
                {
                    Connection = CSV2Core_MySQL.Support.DBSQLSupport.CreateConnection(ConnectionString);
                    Connection.Open();
                }
                if (cleanupTransaction == true)
                {
                    Transaction = Connection.BeginTransaction();
                }

                functionReturn = Execute(Connection, Transaction, Parameter, securityTicket);

                #region Cleanup Connection/Transaction
                //Commit the transaction
                if (cleanupTransaction == true)
                {
                    Transaction.Commit();
                }
                //Close the connection
                if (cleanupConnection == true)
                {
                    Connection.Close();
                }
                #endregion
            }
            catch (Exception ex)
            {
                try
                {
                    if (cleanupTransaction == true && Transaction != null)
                    {
                        Transaction.Rollback();
                    }
                }
                catch { }

                try
                {
                    if (cleanupConnection == true && Connection != null)
                    {
                        Connection.Close();
                    }
                }
                catch { }

                throw new Exception("Exception occured in method cls_Save_CreateDunningProcess", ex);
            }
            return(functionReturn);
        }
 ///<summary>
 /// Opens the connection/transaction for the given connectionString, and closes them when complete
 ///<summary>
 public static FR_Guids Invoke(string ConnectionString, P_L5BD_SCDP_1347 Parameter, CSV2Core.SessionSecurity.SessionSecurityTicket securityTicket = null)
 {
     return(Invoke(null, null, ConnectionString, Parameter, securityTicket));
 }