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user exits

hi,

what is user exit? and how to find it out???

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    author's profile photo Former Member
    Former Member
    Posted on Dec 03, 2007 at 11:05 AM
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  • author's profile photo Former Member
    Former Member
    Posted on Dec 03, 2007 at 11:08 AM

    There are many ways to find User exits

    01. In transaction 'SMOD' find options of screen, menu, function exits.

    02. Go to SE81 and select the relevant module find the enhancement.

    03. Go to the program or transaction and search for “CALL CUSTOMER-FUCTION” or “EXIT__nnn”

    04. For screen exits go to screen in SE51/SE80 search for- “CALL CUSTOMER-SUBSCREEN..”

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 03, 2007 at 11:05 AM

    Hello Friend,

    User Exits: These are subroutines used in the SAP namespace 'hard-coded' at various points within SAP Repository objects.

    Customer Exits :

    1. Menu Exits: Menu exits add items to the pull down menus in standard SAP applications. You can use these menu items to call up your own screens or to trigger entire add-on applications. These special entries have function codes that begin with "+" (a plus sign).

    2. Screen Exits: Screen exits add fields to screens in R/3 applications. SAP creates screen exits by placing special sub screen areas on a standard R/3 screen and calling a customer sub screen from the standard screen’s flow logic. It is called by call customer- sub screen

    3.Function Module Exits :Function module exits add functions to R/3 applications. Function module exits play a role in both menu and screen exits. When you add a new menu item to a standard pulldown menu, you use a function module exit to define the actions that should take place once your menu is activated. Function module exits also control the data flow between standard programs and screen exit fields.

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 03, 2007 at 11:08 AM

    User exits

    1. Introduction

    User exits (Function module exits) are exits developed by SAP. The exit is implemented 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 function module exits is: EXIT_<program name><3 digit suffix>

    The call to a function module exit is implemented as: CALL CUSTOMER.-FUNCTION <3 digit suffix>

    Example:

    The program for transaction VA01 Create sales order is SAPMV45A

    If you search for CALL CUSTOMER-FUNCTION i program SAPMV45A you will find ( Among other user exits):

    CALL CUSTOMER-FUNCTION '003'

    exporting

    xvbak = vbak

    xvbuk = vbuk

    xkomk = tkomk

    importing

    lvf_subrc = lvf_subrc

    tables

    xvbfa = xvbfa

    xvbap = xvbap

    xvbup = xvbup.

    The exit calls function module EXIT_SAPMV45A_003

    2. How to find user exits

    Display the program where you are searching for and exit and search for CALL CUSTOMER-EXIT.

    If you know the Exit name, go to transaction CMOD. Choose menu Utillities ->SAP Enhancements.

    Enter the exit name and press enter.

    You will now come to a screen that shows the function module exits for the exit.

    Regards

    Nadarajah Pratheb

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 03, 2007 at 11:25 AM

    Copy and past the following codes in SE38 and execute(F8). Now it will ask for T-code and once you enter the t-code it will give you the user-exit that are available for that t-code.

    REPORT z_find_userexit NO STANDARD PAGE HEADING.

    &----


    *& Enter the transaction code that you want to search through in order

    *& to find which Standard SAP User Exits exists.

    *&

    &----


    &----


    *& Tables

    &----


    TABLES : tstc, "SAP Transaction Codes

    tadir, "Directory of Repository Objects

    modsapt, "SAP Enhancements - Short Texts

    modact, "Modifications

    trdir, "System table TRDIR

    tfdir, "Function Module

    enlfdir, "Additional Attributes for Function Modules

    tstct. "Transaction Code Texts

    &----


    *& Variables

    &----


    DATA : jtab LIKE tadir OCCURS 0 WITH HEADER LINE.

    DATA : field1(30).

    DATA : v_devclass LIKE tadir-devclass.

    &----


    *& Selection Screen Parameters

    &----


    SELECTION-SCREEN BEGIN OF BLOCK a01 WITH FRAME TITLE text-001.

    SELECTION-SCREEN SKIP.

    PARAMETERS : p_tcode LIKE tstc-tcode OBLIGATORY.

    SELECTION-SCREEN SKIP.

    SELECTION-SCREEN END OF BLOCK a01.

    &----


    *& Start of main program

    &----


    START-OF-SELECTION.

    • Validate Transaction Code

    SELECT SINGLE * FROM tstc

    WHERE tcode EQ p_tcode.

    • Find Repository Objects for transaction code

    IF sy-subrc EQ 0.

    SELECT SINGLE * FROM tadir

    WHERE pgmid = 'R3TR'

    AND object = 'PROG'

    AND obj_name = tstc-pgmna.

    MOVE : tadir-devclass TO v_devclass.

    IF sy-subrc NE 0.

    SELECT SINGLE * FROM trdir

    WHERE name = tstc-pgmna.

    IF trdir-subc EQ 'F'.

    SELECT SINGLE * FROM tfdir

    WHERE pname = tstc-pgmna.

    SELECT SINGLE * FROM enlfdir

    WHERE funcname = tfdir-funcname.

    SELECT SINGLE * FROM tadir

    WHERE pgmid = 'R3TR'

    AND object = 'FUGR'

    AND obj_name = enlfdir-area.

    MOVE : tadir-devclass TO v_devclass.

    ENDIF.

    ENDIF.

    • Find SAP Modifactions

    SELECT * FROM tadir

    INTO TABLE jtab

    WHERE pgmid = 'R3TR'

    AND object = 'SMOD'

    AND devclass = v_devclass.

    SELECT SINGLE * FROM tstct

    WHERE sprsl EQ sy-langu

    AND tcode EQ p_tcode.

    FORMAT COLOR COL_POSITIVE INTENSIFIED OFF.

    WRITE:/(19) 'Transaction Code - ',

    20(20) p_tcode,

    45(50) tstct-ttext.

    SKIP.

    IF NOT jtab[] IS INITIAL.

    WRITE:/(95) sy-uline.

    FORMAT COLOR COL_HEADING INTENSIFIED ON.

    WRITE:/1 sy-vline,

    2 'Exit Name',

    21 sy-vline ,

    22 'Description',

    95 sy-vline.

    WRITE:/(95) sy-uline.

    LOOP AT jtab.

    SELECT SINGLE * FROM modsapt

    WHERE sprsl = sy-langu AND

    name = jtab-obj_name.

    FORMAT COLOR COL_NORMAL INTENSIFIED OFF.

    WRITE:/1 sy-vline,

    2 jtab-obj_name HOTSPOT ON,

    21 sy-vline ,

    22 modsapt-modtext,

    95 sy-vline.

    ENDLOOP.

    WRITE:/(95) sy-uline.

    DESCRIBE TABLE jtab.

    SKIP.

    FORMAT COLOR COL_TOTAL INTENSIFIED ON.

    WRITE:/ 'No of Exits:' , sy-tfill.

    ELSE.

    FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.

    WRITE:/(95) 'No User Exit exists'.

    ENDIF.

    ELSE.

    FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.

    WRITE:/(95) 'Transaction Code Does Not Exist'.

    ENDIF.

    • Take the user to SMOD for the Exit that was selected.

    AT LINE-SELECTION.

    GET CURSOR FIELD field1.

    CHECK field1(4) EQ 'JTAB'.

    SET PARAMETER ID 'MON' FIELD sy-lisel+1(10).

    CALL TRANSACTION 'SMOD' AND SKIP FIRST SCREEN.

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