BTE or EXIT for MR01 t code

Hi,
We are posting  the invoice through T code MR01.At the time of posting user will enter Assignment field and item text for vendor line item as mandatory, Now the requirement is to pass the assignment and Item text data entered at vendor line item to be passed on all the line item.
Can anybody suggest BTE , EXIT or BADI for this requirement.

Hi,
Enhancement
MM08R001 User exits for ERS
MM08R002 User exit for tolerance checks
RMVKON00 Enhancements to report "Settle consignment liabilities"
Business Add-in
MR_CIN_LMR1MI2G BAdI for India Version exit in include LMR1MI2G
MR_CIN_LMR1MI2G_SEL BAdi in LIV for determining line selection
MR_CIN_MM08RFS0 BAdI for carrying excise duty to carry invoice verfication
MR_CIN_MM08RFX0 BADi for CVD in MRHR
MR_CIN_RMMR01RS BADI in ERS
Hope this answers your question.
Harini

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    RFFOX075                                Frame for user exit RFFOX075 (in program RFFOCH_U)
    RFFOX081                                Frame for user exit RFFOX081 (in program RFFOF__T)
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    Finding out the Enhancement
    As described above, the enhancement is determined. It was found, that enhancement AIST0002 will serve the purpose. It contains the following components (can be viewed by transaction SMOD):
    Exit Type Description EXIT_SAPL1022_001 Function Exit Check of User-Defined Fields when Using Create and Change BAPI EXIT_SAPLAIST_002 Function Exit Transfer Data for User Subscreens in PBO. EXIT_SAPLAIST_003 Function Exit Transfer of User-Defined Fields to SAP Master Data Transactions CI_ANLU Customizing Include Include structure to add new fields
    Studying the Function Exits
    The function module level documentation for the function exits are then viewed from transaction SE37. The documentation clearly laid out for the purpose for their use:
    EXIT_SAPLAIST_002
    Function module Level Documentation
    This function module is called by asset master data maintenance at the start of the dialog. (When changing, it is called after reading of the data from the database; when creating it is called after the transfer of the default values from the asset class and reference asset.) The purpose of the function module is to enable this function group to recognize the master data. For interpreting or controlling master data fields that are important for user fields, it is possible to transfer to global variables at this point, so that they can be recognized when the user subscreens are processed.
    Import Parameters
    Understanding
    This function module is called at the PBO to pass the information retrieved from the database to pass them to the custom subscreen and its underlying program. Import parameter : I_ANLU will be populated with the values for user-defined fields which will be passed to the subscreen program. So, there must be some sort of variable assignment from I_ANLU.
    EXIT_SAPLAIST_003
    Function module Documentation: This function module is called by SAP asset master data maintenance after the screens are processed, but before saving. The purpose of the function module is to transfer fields entered on user sub-screens of SAP asset data maintenance to the database for updating. The export parameter for this function module is:
    Understanding
    This function module will be used to transfer the user entered data in the subscreen fields to the main SAP program, which will then be saved into the database.
    Studying the Documentation of the Enhancement
    The enhancement documentation (as is viewed from the initial screen of SMOD] also supports the idea. Moreover, it informs that we need to develop a subscreen under function group XAIS. This is the function group under which the two function exit modules also exist. So, if the custom subscreen refers to the global data of the function group XAIS, then those values will also be available to these function exits as well.
    Going to SE80 and viewing the function group XAIS helps us to inform that there are three DDIC tables declared for it:
    Deciding the Final course of Action
    After making all the investigations, the final course of action was determined.
    SrlNo Step Justification
    A project has to be created using transaction CMOD where the enhancement AIST0002 will be included.
    Customizing include CI_ANLU has to be created with the custom fields demanded When CI_ANLU will be developed, the custom fields will get appended to the database table ANLU. Also, these fields will be used to create screen fields in the new subscreen.
    A custom subscreen, say, 9000 will be developed under function group XAIS. The screen group for the screen will be ‘CUST’ (or any name). The three custom fields added to table ANLU (by creating CI_ANLU) will be used to create new fields in the screen.
    In the PAI of the subscreen, validation for Location to start with ‘L’ will be added. The subscreen with three new fields has to be developed so that it can be attached to a subscreen area of the asset master screens.
    In the custom include of the function exit module ‘EXIT_SAPLAIST_002’, the following code will be written:-
    ANLU = I_ANLU. I_ANLU is the import parameter of this FM. The value is assigned to the global variable ANLU, referring which the three new subscreen fields are developed. So, data retrieved from database table ANLU will be passed to this FM as I_ANLU by the standard SAP main program. The value will be taken and passed to the global variable of the function group XAIS, so that the three custom fields (referring to ANLU of XAIS) get populated.
    In the custom include of the function exit module ‘EXIT_SAPLAIST_003’, the following code will be written:-
    E_ANLU = ANLU. The changed values in the subscreen fields exist in global variable ANLU for the function group XAIS. This function exit module will pass the data back to the SAP main program as E_ANLU.
    Proper linkage/configuration has to be done so that the new subscreens get linked to the appropriate subscreen area of the Asset master screen. This has to be done – otherwise, the new custom subscreen will not be displayed in the Asset master screens.
    Development
    Creating a Project to include the enhancement
    Go to transaction CMOD and create a project.
    Enter a description for the project. Then, click on the pushbutton ‘Enhancement Assignments’ in the Application Toolbar.
    Enter the name of the enhancement and Save.
    Go to ‘Components’.
    Creating Custom Include for ANLU
    The screen shown below will appear, showing all the enhancement components under the assignment AIST0002. Double-click on the name of the Include Structure to create it.
    Create the include structure with three new fields, as required. Then, save and activate it.
    Develop the subscreen and the program
    Go to transaction SE80. For the function group XAIS, create a new subscreen 9000.
    Create it as subscreen.
    Then, go to the Layout of the screen and create three new fields from Database table ANLU.
    Drag the fields in the screen body and place them.
    Then, save and activate the screen and come back to screen flow editor.
    Create the PAI module to add validation for field “Location 2”, as required .
    Activate the whole function group and come out.
    Write code in the Function Exits to synchronize the programs
    Now, code has to be written in the function modules EXIT_SAPLAIST_002 and EXIT_SAPLAIST_003 so that data flows to and fro between the main SAP program and custom subscreen program. For that, go back to transaction CMOD and change the function exits.
    Write code in the function module EXIT_SAPLAIST_002 called once at the beginning of the transaction:
    Write code in EXIT_SAPLAIST_003 to pass the data from the subscreen to SAP main program.
    Then, activate everything – the whole project and come out.
    Complete the configuration to link the subscreen
    The development portion is complete. Now, linking of the subscreen has to be done with the subscreen area of the main program. In most of the cases, this linking can be done in the enhancement itself. But, here, requirement is a bit different. It is done by configuration using SPRO.
    Assets are created under Asset class. And for each asset class, there is a layout assigned to it. For a layout, there are multiple tab pages assigned to it. And, for each tab page, there are multiple screen groups/field groups assigned.
    Here, the requirement is to create these three custom fields in the tab page ‘General’ of asset master screen ( AS01/AS02/AS03/AS91).
    Determine the Layout
    To achieve this, first of all, we need to find out which layout is assigned to asset class 1000.For that, go to transaction AOLK( information has to be obtained from functional consultant).Select the Asset Class ‘1000’ and click on folder ‘General Assignment of Layout’.
    Here, for Asset class 1000, for all the user groups, tab layout SAP is assigned. Since layout ‘SAP’ cannot be changed, it has to be copied and manipulated to include our screen group. Later, the new layout has to be assigned over here.
    Create new tab layout
    Go to transaction AOLA. Copy the tab layout ‘SAP’ to create another layout, say, YSUB.
    System will copy all the settings and will inform you about that.
    Select your newly created layout and double-click on the folder ‘Tab page titles’.
    You want to put your custom fields in the tab page “General”. So, select this tab page entry and double-click on the folder "Position of Groups".
    Here, all the field groups currently residing in the tab-page “General” are shown. Add an entry for your newly created fields.
    Select the group box from the list. An entry will come with “U” padded with the custom subscreen prepared by you.
    Then, save and come out.
    Assign the new Layout to Asset Class
    Now, go to tcode AOLK and assign tab layout YSUB for asset class 1000.
    Save and come out.
    Test the Exit
    Everything is over. Now, go to transaction code AS01/02/03 or AS91 to deal with an asset of asset class 1000. You will see your new fields added to the screen. Add values to them…save. Then, enter into the tcodes again to see whether the values entered by you are being displayed or not.
    Original Source: ittoolbox.com
    User Exits:
    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 found helpfull,
    Cheers,
    Chaitanya.

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