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Former Member

Help on OB28

Hi experts,

I have a requirement where in ZZBENEFITS will be created in the validation. A user should enter value from the list. The value is already filtered depends on the wage type defined in the transaction. Should I create in the OB28? And also should I maintain a custom table in SM30 that will hold the values and use this as Check table for easy maintenance? Or a Group SET ID would help?

Are validations names the same with the fieldnames?

Really need your assistance because I'm not famliar with OB28.

Your professional advice will be appreciated. \


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2 Answers

  • Posted on Oct 24, 2008 at 07:37 AM


    You have to specify a bit more your requirement. OB28 is a validation check on financial transactions. ZZ- table that you mentioned, is a user-defined table and the entries in that table could not be validated by OB28 functionality.



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    • Former Member

      Hi guys

      Actually I am using company code. If the company code has been entered the other dropdown field(custom) is already filtered based from the company code.

      I am thinking the easier way on how to create a filtered dropdown field or will I insert the condition code.

      can i just use check table and place the conndition in the user exit without using substitution/validation which is quite confusing to me?

  • author's profile photo Former Member
    Former Member
    Posted on Oct 24, 2008 at 08:42 AM


    This is not possible in OB28. A validation looks only if the values is OK or NOT.

    When you want this you can tray to use OBBH Substitution with an user exit.

    The substitution is the step before the values are in the memory from the program (here you can change/ ad values) and the validation after (no changes possible)

    Do this only in some cases. When you have to many validation and substitutions no one understand what is happening and when thing are changing or when there are errors it can take hours even days to found and solve the problem. When thing are not working (blocked) users will found other solutions (use an other wrong G/L account, cost center,...)


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    • Former Member

      Thank you paul,

      I would like to try your advice but you mentioned it would work in some cases. on my part the field is in FB03. Is my understanding correct, I will create validation for Company code that will be entered first to check if the value begins with A--- then Substitution comes in to filter the value of ZFIELD. How will I know whcih user-exit to edit or how will I insert my custom user exit? The field is found in the line item details of a financial document(BSEG).

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