Finance | Project Operations, Human Resources, ...

Code doesn't not working in Extension

(0) Share

Report

Posted on by JustZM

972

Hi All

I am facing an issue when developing a new function for client.

In D365, there are two classes "EInvoiceJourBaseMap_MX" and "CustInvoiceJourEInvoiceJourMap_MX" (CustInvoiceJourEInvoiceJourMap_MX extends EInvoiceJourBaseMap_MX).

So I follow standard way to add a method to Extension of EInvoiceJourBaseMap_MX like below

And also add real logic to Extension of CustInvoiceJourEInvoiceJourMap_MX like below.

However, when I run the code, it never goes to real logic under CustInvoiceJourEInvoiceJourMap_MX. Please advise.

Thank you!

Categories:

Dynamics 365 Finance

I have the same question (0)

All responses (4)

Answers (0)

Suggested answer

Martin Dráb 239,040 Most Valuable Professional on at

Like (1)

Report
Copy link

Link copied!

Moved from Integration, Dataverse, and general topics forum to Finance | Project Operations, Human Resources, AX, GP, SL forum.

You've created two independent methods (there is no inheritance of extensions) and which method will be used depends on the type of the variable where you call it. I guess you have an EInvoiceJourBaseMap_MX variable containing CustInvoiceJourEInvoiceJourMap_MX object and you incorrectly believe that polymorphism will kick in and call SAS_MX_BelongtoV1_R2() of CustInvoiceJourEInvoiceJourMap_MX. despite you calling SAS_MX_BelongtoV1_R2() of EInvoiceJourBaseMap_MX. It's not the case.

Was this reply helpful? Yes No
Anton Venter 20,656 Super User 2026 Season 1 on at

Like (0)

Report
Copy link

Link copied!

@JustZM,

In addition to what Martin wrote, can you show us some debugging screenshots of what's happening in code? I can see that you added a new method to the base class and implemented some logic in the child class. How is this new method called? Can you show us the object type? Is it EInvoiceJourBaseMap_MX or CustInvoiceJourEInvoiceJourMap_MX? I'm guessing it's EInvoiceJourBaseMap_MX.

Was this reply helpful? Yes No
JustZM 972 on at

Like (0)

Report
Copy link

Link copied!

Hi @Martin Dráb and @Anton Venter

Thank you for your answer. I am calling this method from create_ForeignTradeElement() (Extension of EInvoiceXMLFormat_V3_3_MX). In "EInvoiceXMLFormat_V3_3_MX", eInvoiceJourMap is CustInvoiceJourEInvoiceJourMap_MX.

When it is calling "isForeignTrade", it will goes to "SAS_MX_CustInvoiceJourEInvoiceJourMap_MX_Extension"

Please advise.

Thank you!

Was this reply helpful? Yes No
Martin Dráb 239,040 Most Valuable Professional on at

Like (0)

Report
Copy link

Link copied!

As I explained above, it doesn't work as you think. It's irrelevant that eInvoiceJourMap variable contains an CustInvoiceJourEInvoiceJourMap_MX object. It's declared as EInvoiceJourBaseMap_MX and the extension of EInvoiceJourBaseMap_MX will be used, regardless of what code you have in the extension of CustInvoiceJourEInvoiceJourMap_MX.

isForeignTrade() is a complete different scenario, because it's not extension. Extensions don't work the same way.

Was this reply helpful? Yes No