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author's profile photo Former Member
Former Member

Enhancements

Hi

Can anybody tell me when to use User exits, BAPI,BADI, function modules for system enhancements.

Wht functionalities we get when we use field exits.

Thanks and Regards

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1 Answer

  • author's profile photo Former Member
    Former Member
    Posted on May 11, 2004 at 01:02 PM

    hi reddy,

    Here are some points for ur questions . But these are only basics not the full concept

    <u>user exit </u> :

    There are some requirements in standard programs for which a generic solution cannot be provided, as it much dependent on how the user wants to do it. For eg, PO number validation in sales order (standard order). This is not a necessity and is not done by SAP. But if the user wants to check for this then it has to be done by means of these exits. The user exit points are already defined by SAP and these exits will be called at these predefined points. All we have to do is put our code inside that exit.

    <u>Field exit</u> are generally used for field validation in any SAP transaction . For example u can prevent the user to enter the value "BOX" for the field UNIT OF MEASURE , while creating a material in MM01.

    BADI :

    Business Add-Ins are a new SAP enhancement technique based on ABAP Objects. They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery.

    BAPI:

    Bapis are business API'S and are based on ABAP objects . They are remote enabled function modules , whicl can be called from external system to create datas or to retrive datas from SAP .

    Function module :

    They r some predefined objects in SAP and we can also define fun. modules . All it does is some sort of calculations or operations for the business needs . All we have to do is to call these modules in our code instead of writing the entire code to perform the operation.

    I hope i have given atleast minimum points on ur queries.

    with best regards,

    Kasi.

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