sales Order

Sales Order classes and Tables:

SalesOrder Creating:-

Tables:-salesTable, SalesLine, LogosticsPostalAddress, CustTable, MCRPrimaryAddressCust. 

SalesOrder Confirmation:-

Tables:- SalesParmTable, SalesParmLine Table, 

 SalesOrder confirms data will be stored in these 2 tables 

CustConfirmJour Table, CustConfirmTrans Table.

Picking List:-

 Tables :- SalesTable, SalesParm Tables.

Packing List:-

Tables:-SalesTable, Salesparm Tables, CustPackingSlipJour, CustPackingSlipTrans  when a packing slip is posted

invoice:-

Tables:-CustInvoiceTable, CustInvoiceTrans when invoice is posted.

SalesOrder Creating:- 

Classes:-SalesTableType and SaleslineType classes will get called while creating the orders.

SalesOrder Confirmation:-

Classes:-SalesFormLetter

Picking List:-

Classes:-SalesFormLetter_PickingList

Packing List:-

Classes:-SalesFormLetter_Packingslip

invoice:-

Classes:-SalesFormLetter_Invoice

Purchase Order classes and Tables:

PurchTableType and PurchTableLine classes will get called while creating the PurchaseOrders.
PurchFormLetter_PurchOrder
PurchFormLetter_ApproveJournal
PurchFormLetter_Invoice
PurchFormLetter_PackingSlip
PurchFormLetter_ReceiptsList

My requirement is to display a confirmation popup before confirming a Sales Order

[ExtensionOf(classStr(SalesFormLetter))]

public final class SalesFormLetter_Extension

{

 protected static boolean validateArgs(Args _args)

    {

        boolean ret = next validateArgs(_args);

        if (ret)

        {

            SalesTable salesTable = _args.record();

            ret = InterCompanyValidationHelper::validateCustomer(

                salesTable.CustAccount);

        }

        return ret;

    }

}

Helper class for validate to customer 

public static boolean validateCustomer(CustAccount _custAccount)

{

    CustTable                   custTable;

    InterCompanyTradingPartner  tradingPartner;

    InterCompanyTradingRelation tradingRelation;

    if (!_custAccount)

    {

        return true;

    }

    custTable = CustTable::find(_custAccount);

    if (!custTable)

    {

        return true;

    }

    select firstOnly tradingPartner

        where tradingPartner.CustomerParty      == custTable.Party

           && tradingPartner.CustomerDataAreaId == custTable.DataAreaId;

    if (tradingPartner)

    {

        select firstOnly tradingRelation

            where tradingRelation.InterCompanyTradingCustomer == tradingPartner.RecId

               && tradingRelation.Active == NoYes::Yes;

        if (tradingRelation)

        {

            if (Box::yesNo(

                "You are trying to post a transaction for an intercompany customer. Do you want to continue?",

                DialogButton::No) == DialogButton::No)

            {

                return false;

            }

        }

    }

    return true;

}