F4 functionality

[Former Member]

Hi all,

How to give the f4 functionality for a specific field with out going to the Dictionary, I know we have to call a function module for that, On which event we have to call this function module.

regards,

Sashi,

[Former Member]

At selction screen on value request for field name

[varma_narayana]

Hi..

This is the Example code:

REPORT zsel_f4help .

*---Report with selection screen and to display the list of

• possible entries for field 'B' as per the value in field 'A'.

PARAMETERS: p_vbeln TYPE vbak-vbeln,

p_posnr TYPE vbap-posnr.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_posnr.

DATA: BEGIN OF help_item OCCURS 0,

posnr TYPE vbap-posnr,

matnr TYPE vbap-matnr,

arktx TYPE vbap-arktx,

END OF help_item.

DATA: dynfields TYPE TABLE OF dynpread WITH HEADER LINE.

dynfields-fieldname = 'P_VBELN'.

APPEND dynfields.

**Read the Values of the SCREEN FIELDs

CALL FUNCTION 'DYNP_VALUES_READ'

EXPORTING

dyname = sy-cprog

dynumb = sy-dynnr

translate_to_upper = 'X'

TABLES

dynpfields = dynfields

EXCEPTIONS

invalid_abapworkarea = 1

invalid_dynprofield = 2

invalid_dynproname = 3

invalid_dynpronummer = 4

invalid_request = 5

no_fielddescription = 6

invalid_parameter = 7

undefind_error = 8

double_conversion = 9

stepl_not_found = 10

OTHERS = 11.

**Find out the Value of P_VBELN

READ TABLE dynfields WITH KEY fieldname = 'P_VBELN'.

p_vbeln = dynfields-fieldvalue.

**Convert the Value into internal format

CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'

EXPORTING

input = p_vbeln

IMPORTING

output = p_vbeln.

**Fetch the correponding itemnos from VBAP

SELECT posnr matnr arktx INTO TABLE help_item

FROM vbap

WHERE vbeln = p_vbeln.

**Generate the F4 help with internal table values

CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'

EXPORTING

retfield = 'POSNR'

dynprofield = 'P_POSNR'

dynpprog = sy-cprog

dynpnr = sy-dynnr

value_org = 'S'

TABLES

value_tab = help_item.

REWARD IF HELPFUL.

[Former Member]

hi,

you can directly attach f4 help to any field you want on selection screen.

select-option: s_matnr for mara-matnr matchcode object searchhelpname.

this way you can assign any help here.