Can't find one event or class in CRM Trade Promotion component TPMOE

Hi Gurus! Iu2019m having a problem and a want your great expertise.

Actually Iu2019m working with SAP CRM ABAP 7.0

Weu2019re making an Enhancement in the component TPMOE, this one is reference to Trade Promotions.

Iu2019m entering in the view of Marketing-> Trade Promotion, thereu2019s I get the u201CNewu201D transaction button, in this view I select the Input field Sales Organization, where I use the match code. That match code opens new windows, where I can press the u201Csearchu201D button to find Sales Organization id. In the table row a select one value, and in this moment itu2019s populated the field Sales Organization.

My problem is that I canu2019t find where is the event or the class that get the value selected and put it on the Input field Sales Organization.

I make a debug in all the methods of implementation class trying to find it, and itu2019s not working. I find the method that come alive where I press the button u201Csearchu201D (IS_TOPLEVEL, is one of them, there a few). Can you help me please!

The technical data in the page Iu2019m working is this:

UI COMPONENT:

Package: CRM_UIU_MKTTPM

Application Component: CRM-MKT-MPL

Enhancement Info:

Enhancement State: SAP Standard

Field: tech. info.

UI Component: TPMOE View: TPMOE/HeaderEOF

Context Node: TRADE Attribute: STRUCT.SALES_ORG_DESC

Design Layer

Object Type: TPM_TRADEPROMOTION Design object: TRADE

Attibute: SALES_ORG_DESC