1) First write process on value-request in flow logic after process after input.
process on value-request.

field ztable-fieldname module rec_help.

2) Now double click on module rec_help for code.

3)
module rec_help input.

data : begin of it_tmp occurs 2,

fieldname  like ztable-fieldname

fieldname2  like ztable-fieldname2

 data : end of it_tmp.

data: progname like sy-repid,

dynnum like sy-dynnr.

data : t_return like ddshretval occurs 0 with header line.

refresh it_tmp.

select * from ztable client specified

where mandt = sy-mandt

and fieldname2= ztable1-fieldname2.

move-corresponding ztable to it_tmp.

append it_tmp.

endselect.

call function 'F4IF_INT_TABLE_VALUE_REQUEST'

exporting

retfield = 'fieldname1'

dynpprog = progname

dynpnr = dynnum

dynprofield = 'fieldname1'

value_org = 'S'

tables

value_tab = it_tmp

return_tab = t_return

endif.

if sy-subrc = 0.

read table t_return index 1.

ztable-fieldname1 = t_return-fieldval.

endif.

Tips by: Ulhas Sonawane

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