DATA search_name LIKE rsrd1-shma_val VALUE 'AYUDA_DDIC'.
DATA: it_matchcode LIKE TABLE OF ddshretval WITH HEADER LINE.
REFRESH it_matchcode[].
CALL FUNCTION 'F4IF_FIELD_VALUE_REQUEST'
EXPORTING
tabname = ' '
fieldname = ' '
searchhelp = search_name
TABLES
return_tab = it_matchcode.
IF NOT it_matchcode IS INITIAL.
READ TABLE it_matchcode INDEX 1.
campo_dynpro = it_match-fieldval.
ENDIF.