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customizing table


we have a customizing table where we have 5 key fields.

eg. f1,f2,f3,f4,f5.

there are 5 allowed combinations of the key fields to read entries of the table in my report. for eg.


(f1,f2,{f3 filled with space}),




when the user makes entries in the table using SM30, can i restrict him to enter only one of the allowed combinations.

please give ur ideas.

Former Member
Former Member replied


As Ravi has mentioned, you can do all validations in a table using the events in Table maintenance.

Please refer the below link for a tech article on implementing this:

Also refer this blog:


Hope these links help you.



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