Regarding Function module exits

Hi,
function module exit :EXIT_SAPLAFAR_002
include in function module exit :ZXAFAU02
include exit is implemented :LAFARF70
Main Program :SAPLAFAR
Please help me how to execute this funcion moduel exit, and how to work on it, I could not find out any transaction for it, and provide me some links to understand the use of function module exits.
Thanks & Regards,
vinesh.

Hi,
User exits (Function module exits) are exits developed by SAP. The exit is implementerd as a call to a function module. The code for the function module is written by the developer. You are not writing the code directly in the function module, but in the include that is implemented in the function module.
The naming standard of function modules for functionmodule exits is:
EXIT_<program name><3 digit suffix>
The call to a functionmodule exit is implemented as:
CALL CUSTOMER.-FUNCTION <3 digit suffix>
To find a Exit.
Goto Transaction -- Find The Package
SMOD >f4>Use the Package here to Find the Exits In the Package.
Else if you Want to search by Application Area wise ,
There is one more tab to find the Exits in the Respective Application Area.
Implementing the Exit-- CMOD Create ProjectsAssgn your Component .
Now Run ur Transaction to Check if it Triggers.
Thats it..
Suppose you need to find out all the user exits related to a tcode.
1. Execute the Tcode.
2. Open the SAP program.
3. Get the Development Class.
4. Execute Tcode SE84.
5. Open the Node 'Envir. -> Exit Techniques -> 'Customer Exits -> Enhancements'
6. Enter the Development class and execute.
Check out this thread..
The specified item was not found.
1. Type the transaction : system->status-> <PROG. NAME>
2 open SE37 , type EXIT<PROG NAME> and press F4 to get the list of function exits available.
3. Open CMOD utilities->SAP enhancements
EDIT->All selections
4.type the function module name obtained in step 2, in fields 'component name' in 'additional selections' block. and execute.
5. The displayed list contains the enhancements names for the transaction You were looking for.
6. Create a project in CMOD and the code in default include->activate.
http://www.erpgenie.com/sap/abap/code/abap26.htm
which gives the list of exits for a tcode
http://help.sap.com/saphelp_nw04/helpdata/en/bf/ec079f5db911d295ae0000e82de14a/frameset.htm
For information on Exits, check these links
http://www.sap-img.com/abap/a-short-tutorial-on-user-exits.htm
http://www.sapgenie.com/abap/code/abap26.htm
http://www.sap-img.com/abap/what-is-user-exits.htm
http://wiki.ittoolbox.com/index.php/HOWTO:Implement_a_screen_exit_to_a_standard_SAP_transaction
http://www.easymarketplace.de/userexit.php
http://www.sap-img.com/abap/a-short-tutorial-on-user-exits.htm
http://www.sappoint.com/abap/userexit.pdfUser-Exit
http://www.planetsap.com/userexit_main_page.htm
User-Exits
http://www.sap-img.com/abap/a-short-tutorial-on-user-exits.htm
http://www.sap-img.com/ab038.htm
http://www.planetsap.com/userexit_main_page.htm
http://www.sap-basis-abap.com/sapab013.htm
http://sap.ittoolbox.com/documents/popular-q-and-a/user-exits-for-the-transaction-code-migo-3283
These links will help you to learn more on user exits.
http://www.sap-img.com/abap/a-short-tutorial-on-user-exits.htm
http://help.sap.com/saphelp_nw04/helpdata/en/c8/1975cc43b111d1896f0000e8322d00/frameset.htm
http://www.planetsap.com/userexit_main_page.htm
http://www.allsaplinks.com/user_exit.html
www.sap-img.com/abap/what-is-user-exits.htm
Also please check these threads for more details about user exits.
Re: Screen exit
user exit and customer exit
user exit
1. Document on UserExits in FI/CO
http://www.ficoexpertonline.com/downloads/User%20ExitsWPedit.doc
2. Finding User Exits...
http://sap.ionelburlacu.ro/abap/sap2/Other_Useful_Tips.html#Finding_User_Exits
3. List of all User Exits...
http://www.planetsap.com/userexit_main_page.htm
Reward if Helpful.

Similar Messages

Can anyone tell me steps to be taken while modifying a function module exit

Hi guys,
I have to make little changes to function module exits in a project .
what are the necessary steps i need to take make the changes and make them work.
Thanks,
Venkat

1. Create a project in CMOD
2. Assign the exit definition name (From SMOD)
3. Select the function module you would like to implement from the components screen
4. Double click on the include name within the function module, create the include if not already created
5. Add your code to the include program
6. Save and activate your code
7. Save and activate your CMOD Project
Best Regards,
Chris H.

Function module exits for Tcode MD11.

Please tell me, Function module exits for Tcode MD11.
Reg .
Praju

Hi
LMDR2001
LMDZU001
Try out these exits.
Check the folloing BADI's
MD_PLDORD_SCHEDULING
MD_PIR_FLEX_CONS
MD_PLDORD_SCHEDULING
Regards
Divya

Need to change the way Function module exit is called.

Dear Abaper,
I want to know wheather is it possible to change the way a function module exit is called.In transaction IK11 i am using enhancement imrc0001 this function module is called only when clicking the save button. My requirement will be met only when desired result is obtained while clicking ENTER button.Now the desired result are obtained by Clicking SAVE button. As a result only after saving i am able to view. Is there any way to change by clicking Enter button itself we can call the IMRC0001 enhancement. Please guide me.
Thanks and regards,
Omprasath

Hi,
Each action in the screen have some FCODE(SY-UCOMM) in that exit u can add code when the particular button is clicked then run it or else no need to run.
For Example SAVE has user command as SAV+(SY-UCOMM)
u can restrict it as.
IF SY-UCOMM = 'SAVE+'.
Run ur code.
Endif.

Function modules in function module exits

Hi,
Could you please clarify the concepts of function moduels and funtion 'X' modules in function module exits.
Thanks in advance.

Hi mallela,
1. in user-exits,
   this thing happens.
a) the main program,
    somewhere in the code, (eg. before saving)
    calls the SPECIAL SYNTAX
   CALL CUSTOMER-FUNCTION '001'.
b) This special syntax
   searches for a FM
   with the following format of name.
'EXIT' +   CURRENT PROGRAMNAME + '001'
c) This new found FM
    is called in which parameters
    are imported/exported etc.
d) THIS FM is called X FM for user-exit.
2. This X FM is also but a simple FM,
   the only difference is
   a) its naming convention
   b) its detected by the special syntax
regards,
amit m.

Subroutine in function module exit include program

Hi Friend,
I want to modularise the code inside the include program defined in funtion module exit. but it is giving out errors.
Can any one help on this.
Regards
Gautham

Hello Gautam,
Use the PERFORM (FORM ................. ENDFORM.) for modularizing the code inside the function module exit. You can not use the include inside the function module directly but once u create a PERFORM (FORM ................. ENDFORM.). Inside this FORM ................. ENDFORM .. u can create any number of include's.
I hope it will resolve your problem.
Thanks.
Anurag

Issue with function module exits

Hi,
execute the T.Code MK01, enter the language 'English' and country 'de'. it's allowing to save the data. I want to raise one pop-up message as 'country and language are not the valid combination please choose right one'. I enhanced in the function module exit. it's raising the message , but it's executing the next screen. how to stop it's first screen and I have to choose the right combination even though I raised message as Error, it's repeating same thing. Please give me any suggestion on this issue.
Thanks & Regards,
Seshu.

I have executed CMOD T.Code, we can find the 'include zxf05u01' program . I wrote the code in this include program. select statement is like this. check the code here.
" select single land1
                       spras
              into wa_t005
             from t005
            where land1 = i_lfa1-land1
            and     spras = I_lfa1-spras.
if sy-subrc <>0.
country &1 and language &2 are not the valid combination.
message e015(zall) with I_lfa1-land1 I_lfa1-spras.
endif."

Function module Exit.............URGENT

Hi Experts,
I got a new requirement to add the filed Mfr Name to the PO.
Please guide through the complete process.
( which Function module exit do i need to update and how)
Thanks in advance.

Hai.
check the example code.
REPORT Z_SALES_ORDER_CHANGE
NO STANDARD PAGE HEADING
LINE-SIZE 132
LINE-COUNT 65(0)
MESSAGE-ID ZZ.
TABLES: VBAP.
DATA:
V_FILEIN(90) TYPE C,
V_RECIN TYPE I,
V_RECVBAP TYPE I,
V_RECORDER TYPE I,
V_VBELN LIKE VBAP-VBELN,
ORDERHEADERINX LIKE BAPISDH1X.
DATA: BEGIN OF I_ORDERS OCCURS 0,
VBELN LIKE VBAK-VBELN,
POSNR LIKE VBAP-POSNR,
BRGEW(18) TYPE C,
VOLUM(18) TYPE C,
END OF I_ORDERS.
DATA: BEGIN OF I_OUTPUT OCCURS 0,
VBELN LIKE VBAK-VBELN,
POSNR LIKE VBAP-POSNR,
GEWEI LIKE VBAP-GEWEI,
BRGEW LIKE VBAP-BRGEW,
VOLUM LIKE VBAP-VOLUM,
CKWGT TYPE C,
CKVOL TYPE C,
END OF I_OUTPUT.
DATA: BEGIN OF ORDERITEMIN OCCURS 0.
INCLUDE STRUCTURE BAPISDITM.
DATA: END OF ORDERITEMIN.
DATA: BEGIN OF ORDERITEMINX OCCURS 0.
INCLUDE STRUCTURE BAPISDITMX.
DATA: END OF ORDERITEMINX.
DATA: BEGIN OF RETURN OCCURS 0.
INCLUDE STRUCTURE BAPIRET2.
DATA: END OF RETURN.
DATA: BEGIN OF BAPIRETURN OCCURS 0.
INCLUDE STRUCTURE BAPIRET2.
DATA: END OF BAPIRETURN.
PARAMETERS:
P_PATH(45) TYPE C DEFAULT '/usr/users/ftpsapom/' LOWER CASE,
P_FNAME(32) TYPE C DEFAULT '/sweetjo.txt' LOWER CASE.
START-OF-SELECTION.
CONCATENATE PATH AND FILE NAME INTO ONE VARIABLE
CONCATENATE P_PATH P_FNAME INTO V_FILEIN.
OPEN DATASET
IF V_FILEIN IS INITIAL.
MESSAGE E002 WITH 'FILE' V_FILEIN 'DOES NOT CONTAIN ANY DATA!'.
ELSE.
OPEN DATASET V_FILEIN
FOR INPUT
IN TEXT MODE.
IF SY-SUBRC = 0.
READ DATASET
DO.
READ DATASET V_FILEIN INTO I_ORDERS.
IF SY-SUBRC = 0.
APPEND I_ORDERS.
ELSE.
EXIT.
ENDIF.
ENDDO.
CLOSE DATASET
CLOSE DATASET V_FILEIN.
IF SY-SUBRC <> 0.
MESSAGE E002 WITH 'ERROR - CLOSING' V_FILEIN.
ENDIF.
ELSE.
MESSAGE E002 WITH 'ERROR - COULD NOT OPEN' V_FILEIN.
ENDIF.
ENDIF.
SORT AND REMOVE DUPLICATES FROM I_ORDERS
SORT I_ORDERS BY VBELN POSNR.
DELETE ADJACENT DUPLICATES FROM I_ORDERS.
POPULATE I_OUTPUT
LOOP AT I_ORDERS.
SHIFT I_ORDERS-POSNR LEFT DELETING LEADING SPACE.
CONCATENATE '0' I_ORDERS-POSNR INTO I_ORDERS-POSNR.
SELECT SINGLE BRGEW VOLUM
FROM VBAP
INTO (VBAP-BRGEW, VBAP-VOLUM)
WHERE VBELN = I_ORDERS-VBELN
AND POSNR = I_ORDERS-POSNR.
IF SY-SUBRC = 0.
IF VBAP-BRGEW = 0.
I_OUTPUT-CKWGT = 'X'.
ENDIF.
IF VBAP-VOLUM = 0.
I_OUTPUT-CKVOL = 'X'.
ENDIF.
I_OUTPUT-VBELN = I_ORDERS-VBELN.
I_OUTPUT-POSNR = I_ORDERS-POSNR.
I_OUTPUT-GEWEI = 'ST'.
I_OUTPUT-BRGEW = I_ORDERS-BRGEW.
I_OUTPUT-VOLUM = I_ORDERS-VOLUM.
APPEND I_OUTPUT.
CLEAR: I_OUTPUT.
ENDIF.
V_RECIN = V_RECIN + 1.
ENDLOOP.
POPULATE BAPI DATA AND RUN BAPI
CLEAR: ORDERHEADERINX, ORDERITEMIN, ORDERITEMINX,
RETURN, BAPIRETURN.
REFRESH: ORDERITEMIN, ORDERITEMINX, RETURN, BAPIRETURN.
ORDERHEADERINX-UPDATEFLAG = 'U'.
LOOP AT I_OUTPUT WHERE CKWGT = 'X' OR CKVOL = 'X'.
V_RECVBAP = V_RECVBAP + 1.
IF I_OUTPUT-VBELN <> V_VBELN AND SY-TABIX <> 1.
V_RECORDER = V_RECORDER + 1.
CALL FUNCTION 'BAPI_SALESORDER_CHANGE'
EXPORTING
SALESDOCUMENT = V_VBELN
ORDER_HEADER_INX = ORDERHEADERINX
TABLES
RETURN = RETURN
ORDER_ITEM_IN = ORDERITEMIN
ORDER_ITEM_INX = ORDERITEMINX.
CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'
EXPORTING
WAIT = 'X'
IMPORTING
RETURN = BAPIRETURN.
WRITE OUT RETURN
LOOP AT RETURN.
WRITE: / RETURN.
ENDLOOP.
WRITE: / BAPIRETURN.
SKIP.
CLEAR: ORDERITEMIN, ORDERITEMINX,
RETURN, BAPIRETURN.
REFRESH: ORDERITEMIN, ORDERITEMINX, RETURN, BAPIRETURN.
ENDIF.
ORDERITEMIN-ITM_NUMBER = I_OUTPUT-POSNR.
ORDERITEMIN-UNTOF_WGHT = I_OUTPUT-GEWEI.
IF NOT I_OUTPUT-CKWGT IS INITIAL.
ORDERITEMIN-GROSS_WGHT = I_OUTPUT-BRGEW.
ORDERITEMINX-GROSS_WGHT = 'X'.
ENDIF.
IF NOT I_OUTPUT-CKVOL IS INITIAL.
ORDERITEMIN-VOLUME = I_OUTPUT-VOLUM.
ORDERITEMINX-VOLUME = 'X'.
ENDIF.
APPEND ORDERITEMIN.
ORDERITEMINX-ITM_NUMBER = I_OUTPUT-POSNR.
ORDERITEMINX-UNTOF_WGHT = 'X'.
ORDERITEMINX-UPDATEFLAG = 'U'.
APPEND ORDERITEMINX.
V_VBELN = I_OUTPUT-VBELN.
ENDLOOP.
RUN BAPI ON LAST ORDER
IF NOT ORDERITEMIN IS INITIAL.
V_RECORDER = V_RECORDER + 1.
CALL FUNCTION 'BAPI_SALESORDER_CHANGE'
EXPORTING
SALESDOCUMENT = V_VBELN
ORDER_HEADER_INX = ORDERHEADERINX
TABLES
RETURN = RETURN
ORDER_ITEM_IN = ORDERITEMIN
ORDER_ITEM_INX = ORDERITEMINX.
CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'
EXPORTING
WAIT = 'X'
IMPORTING
RETURN = BAPIRETURN.
WRITE OUT RETURN
LOOP AT RETURN.
WRITE: / RETURN.
ENDLOOP.
WRITE: / BAPIRETURN.
SKIP.
ENDIF.
WRITE OUT RECORD COUNT FROM FILE
WRITE: / 'RECORD COUNT FROM FILE ', V_RECIN.
SKIP.
WRITE OUT RECORD COUNT FROM FILE
WRITE: / 'RECORD COUNT OF LINES TO CHANGE ', V_RECVBAP.
SKIP.
WRITE OUT RECORD COUNT FROM FILE
WRITE: / 'RECORD COUNT OF ORDERS TO CHANGE ', V_RECORDER.
SKIP.
TOP OF PAGE
TOP-OF-PAGE.
WRITE:/1(5) TEXT-H01, 6(8) SY-DATUM MM/DD/YY,
100(8) TEXT-H02, 126(8) SY-PAGNO.
WRITE:/1(5) TEXT-H03, 6(8) SY-UZEIT USING EDIT MASK '__:__:__',
20(77) TEXT-H04,
100(8) TEXT-H05, 108(25) SY-REPID.
WRITE:/1(6) TEXT-H06, 8(12) SY-UNAME,
20(4) TEXT-H07, 25(32) SY-HOST,
100(13) TEXT-H08, 121(8) SY-SYSID,
129 '/', 130(3) SY-MANDT.
ULINE.
SKIP.
DATA: LWA_HEADER_DATA LIKE BAPIOBDLVHDRCHG,
LWA_HEADER_CONTROL LIKE BAPIOBDLVHDRCTRLCHG,
LT_ITEM_DATA LIKE TABLE OF BAPIOBDLVITEMCHG,
LWA_ITEM_DATA LIKE LINE OF LT_ITEM_DATA,
LV_OLD_DELIV LIKE GWA_SD_DOCUMENT-VBELN,
LV_NEW_DELIV LIKE GWA_SD_DOCUMENT-VBELN,
LV_OLD_MATNR LIKE GWA_SD_DOCUMENT-MATNR,
LV_NEW_MATNR LIKE GWA_SD_DOCUMENT-MATNR,
LV_OLD_SHIP LIKE GWA_SD_DOCUMENT-TKNUM,
LWA_TECHN LIKE BAPIDLVCONTROL,
LT_ITEM_CONTROL LIKE TABLE OF BAPIOBDLVITEMCTRLCHG,
LWA_ITEM_CONTROL LIKE LINE OF LT_ITEM_CONTROL,
LV_NEW_SHIP LIKE GWA_SD_DOCUMENT-TKNUM,
LT_RETURN LIKE TABLE OF BAPIRET2.
*Local data --> End
LWA_TECHN-UPD_IND = GC_DEFAULT.
LOOP AT GT_SD_DOCUMENT INTO GWA_SD_DOCUMENT.
LWA_ITEM_DATA-DELIV_NUMB = GWA_SD_DOCUMENT-VBELN.
LWA_ITEM_DATA-DELIV_ITEM = GWA_SD_DOCUMENT-POSNR.
LWA_ITEM_DATA-MATERIAL = GWA_SD_DOCUMENT-MATNR.
LWA_ITEM_DATA-DLV_QTY = GWA_SD_DOCUMENT-LFIMG_R.
LWA_ITEM_DATA-DLV_QTY_IMUNIT = GWA_SD_DOCUMENT-LFIMG_R.
LWA_ITEM_DATA-SALES_UNIT = GWA_SD_DOCUMENT-VRKME.
LWA_ITEM_DATA-BASE_UOM = GWA_SD_DOCUMENT-MEINS.
APPEND LWA_ITEM_DATA TO LT_ITEM_DATA.
LWA_ITEM_CONTROL-DELIV_NUMB = GWA_SD_DOCUMENT-VBELN.
LWA_ITEM_CONTROL-DELIV_ITEM = GWA_SD_DOCUMENT-POSNR.
LWA_ITEM_CONTROL-CHG_DELQTY = GC_DEFAULT.
APPEND LWA_ITEM_CONTROL TO LT_ITEM_CONTROL.
CALL FUNCTION 'BAPI_OUTB_DELIVERY_CHANGE'
EXPORTING
HEADER_DATA = LWA_HEADER_DATA
HEADER_CONTROL = LWA_HEADER_CONTROL
DELIVERY = LV_OLD_DELIV
TABLES
ITEM_DATA = LT_ITEM_DATA
ITEM_CONTROL = LT_ITEM_CONTROL
RETURN = LT_RETURN.
ENDLOOP.
BAPI_OUTB_DELIVERY_CHANGE
Regards.
sowjanya.b

Query regarding function module SPOOL_RQ_READ_BAPI_EXPORTS (EBP-SRM Module)

query regarding function module SPOOL_RQ_READ_BAPI_EXPORTS (EBP-SRM Module)
shopping cart
Hi in FM SPOOL_RQ_READ_BAPI_EXPORTS
i want to relate the internal tables requisition_items and requisition_services.
but in am not getting the key on which they should be joined
here i have to take the quantity and other fields from requisition_services
right now i am using the joining condition as
requisition_items-pckg_no = requisition_services-pckg_no.
any help in this regard is welcome.
Thanks and regards,
Vithalprasad

Hi Kathirvel,
Thank you for reply. I am making changes for standard code only.
" Call FM SPOOL_DPO_READ_BAPI_EXPORTS to read PO data exported to backend.
Use this data to call FM B46B_DPO_TRANSFER and copy errors tab from
' lt_bapi_return ' to ' et_messages' retrun tab in 'doc_check' badi. "
Thank you.
Regards, Sunu

Function module exit

hi ABAPERs,
good day,
i have a query about function module exit,
create a function module exit to the ABAP program editor, so that,whenever the program attributes screen is opened an information message is popped to the user,
probably,this is the enhancement,SEU00001,
thanks,
kc

Hi
By trx CMOD: create a new project and insert that enhancment, then go to the exit EXIT_SAPLSEDTATTR_010, and do a doubleclick on the line INCLUDE ZXSEUU20 .
The system'll create the include ZXSEUU20, here insert the code you need.
Max

Function module exit transportation(plng area: varible population)

hi,
in plng area, i populated one variable(calmonth) based on variable(fiscal year) using function module exit.
Now i want to transport plng area from dev system to production. Is it mandaory that function module should transport separately or when i transport plng area: is function module transported automatically?
thanks

thanks for replies..
i went to se80, selected my fun group->context menu->display object directory entry.. i'm seeing this option(display object directory entry) ..instead of creation of TR, and may be because here system shows it locked by paricular workbench req.
i cheked workbench req it is having same fun group with set of other fun module ..now how i can i include my new fun module into that req? or do i need release that request first and then create separate new req for this fun module?
regds

How to Create the Function Module Exit

Hi,
How to Create the Function Module Exit. Please tell me the step by step procedure.

Hi,
Check this link for how to create the function module exit..
http://sap.niraj.tripod.com/id62.html
Thanks
naren

How to find function module exit name when i know the Include

As per my requirement i should change the existing exit. I know the include name but i want to
know exit name. How to find out exit name based on include name. I tried Where-used list but it
is not giving the exit and function module name.Please let me know.
Regards
Rajitha

Hello Rajitha,
1. You can do a "where-used" for the include & get the corresponding name of the exit function module.
2. Goto table MODSAP & in the field MEMBER pass the name of the function module & you will get the Exit Name in the NAME.
Hope this helps.
BR,
Suhas
Edited by: Suhas Saha on Mar 16, 2009 3:08 PM

Regarding Function Module for Locking ( enque)

Hi,
I am facing a Problem that is when iam running Call transaction one popup is coming because some other user currently editing that Tcode at that time i need to lock tcode using enque specially for table . If suppose some other user editing at that time it will shoe that popup and it will exit from their with out doing any other process For that i need Function module for Lock and Delock.
thanks in advance,
murali krishna.

So in this example, I am doing a loop and check for a lock, if I don't get one, I wait for 5 seconds, this loop continues untill 30 seconds, no lock then it quits and gives message.
report zrich_0001.
data: counter type i.
parameters: p_equnr type equi-equnr.
start-of-selection.
clear counter.
do.
Exhausted, no luch in getting a lock, get of of DO loop.
    if counter > 6.
      sy-subrc = 1.
      exit.
    endif.
Try for lock
    call function 'ENQUEUE_EIEQUI'
      exporting
        mode_equi            = 'E'
        mandt                = sy-mandt
        equnr                = p_equnr
   _wait                = 'X'
      exceptions
        foreign_lock         = 1
        system_failure       = 2
        others               = 3.
Got a lock, get out of DO loop.
   if sy-subrc = 0.
      exit.
    endif.
Still here? Then wait another 5 seconds
    wait up to 5 seconds.
    counter = counter + 1.
enddo.
Report status
case sy-subrc.
    when 0.
      message s001(00) with 'Lock could not be established'.
    when 1.
      message i001(00) with 'Lock could not be established'.
endcase.
Regards,
rewards point

Function modules Exit and Init

Hi Friends,
What is the purpose of function modules init and exit in the "Exit" functions.
why two function modules are using in the Exit functions?
Please give me relevant secanarios?
will assign the points.
Thanks
BPS

<b>FM Initialization</b>:
A function module to initialize the planning function. This function module is optional. It is only required if new transaction data records are to be generated in the planning function that are different, in terms of the combinations of values, to characteristics in the previous transaction data that are not to be changed. The keys for these new transaction data records are delivered by the function module in the table ETO_CHAS. The keys are supplemented by the keys of the transaction data that already exist. The data objects for which the planning function is called up are formed from these keys. They also influence how often and with which combinations of transaction data the second function module is called up.
<b>Function Module:</b>
A function module that is called up several times and that changes transaction data records. This function module receives a package of transaction data records in each case. These differ only in their characteristics to be changed. They have the same values as far as all other characteristics are concerned. The transaction data is in table XTH_DATA. Only the existing records are transferred. If key combinations were returned by the initialization function module, and no transaction data exists for these, then table XTH_DATA is empty. The key combination is in the table ITO_CHASEL.
Its not necessary to write a init FM unless you need to generate new records by the exit function.
regards,
sanjay.

Regarding Function module exits

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