Hi
at selection-screen on value-request for p_zsl_vbeln .
perform F4_set_field_value .
form F4_set_field_value .
==> fill you internal table with values to show .
use FM
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
EXPORTING
retfield = c_youfieldname ( type fieldname in internal table )
dynpprog = sy-repid
dynpnr = sy-dynnr
dynprofield = c_s_field ( screen-field name type dynfnam )
value_org = c_s
TABLES
value_tab = l_t_your_internal_table
EXCEPTIONS
parameter_error = 1
no_values_found = 2
OTHERS = 3.
IF sy-subrc <> 0.
ENDIF. " IF sy-subrc <> 0
endform .
Regards