How to apply custom search help

Question

i have a field in the selection screen for plant entry
i want there to display all the plants that are in my own created table and NOT the entries of T001W table
how to do that

Answer 1

Hi Karan Chopra,
                       This is kiran kumar.G(working on sap).I will read all the replies for ur answer.i will develop a small code 4 u.i will execute that code that is executing perfectly try this.
if  u r satisfy  with my answer plz give me  REWARD POINTS..
        HAVE A NICE DAY..
i have to send a code for matnr filed.U have to according to ur requirement ok.
CODE:
REPORT  ydemo87                                 .
Global Data  (MATNR = 18 IN LENGTH)
DATA: var(18).   "It Must Be Character bcz MATNR field is a char type
Parameters for Input the Data
PARAMETERS: p_matnr(18).
Global data
DATA: t_ret_table LIKE STANDARD TABLE OF ddshretval,
      fs_ret_table TYPE ddshretval,
      t_dynp_fields LIKE STANDARD TABLE OF dynpread,
      fs_dynp_fields TYPE dynpread.
Selection screen
AT SELECTION-SCREEN OUTPUT.
PLACE BELOW STATEMENT COMPULSORY
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_matnr.
  CALL FUNCTION 'F4IF_FIELD_VALUE_REQUEST'
    EXPORTING
      tabname                   = 'MARA'
      fieldname                 = 'MATNR'
   searchhelp                = 'MAT1'     "ANY NAME U WANT TO GIVE
  SHLPPARAM                 = ' '
  DYNPPROG                  = ' '
  DYNPNR                    = ' '
  DYNPROFIELD               = ' '
  STEPL                     = 0
  VALUE                     = ' '
  MULTIPLE_CHOICE           = ' '
  DISPLAY                   = ' '
  SUPPRESS_RECORDLIST       = ' '
  CALLBACK_PROGRAM          = ' '
  CALLBACK_FORM             = ' '
  SELECTION_SCREEN          = ' '
TABLES
   return_tab                = t_ret_table
EXCEPTIONS
   field_not_found           = 1
   no_help_for_field         = 2
   inconsistent_help         = 3
   no_values_found           = 4
   OTHERS                    = 5
  IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.
  READ TABLE t_ret_table INTO fs_ret_table INDEX 1.
  CLEAR t_dynp_fields.
  fs_dynp_fields-fieldname = 'P_MATNR'.
  fs_dynp_fields-fieldvalue = fs_ret_table-fieldval.
  APPEND fs_dynp_fields TO t_dynp_fields.
  CLEAR fs_dynp_fields.
SELECT SINGLE matnr FROM mara INTO fs_dynp_fields-fieldvalue WHERE matnr
EQ fs_ret_table-fieldval.
  APPEND fs_dynp_fields TO t_dynp_fields.
  CALL FUNCTION 'DYNP_VALUES_UPDATE'
    EXPORTING
      dyname               = sy-repid
      dynumb               = sy-dynnr
    TABLES
      dynpfields           = t_dynp_fields
    EXCEPTIONS
      invalid_abapworkarea = 1
      invalid_dynprofield  = 2
      invalid_dynproname   = 3
      invalid_dynpronummer = 4
      invalid_request      = 5
      no_fielddescription  = 6
      undefind_error       = 7
      OTHERS               = 8.
  IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.
Just Display the value
START-OF-SELECTION.
  var = p_matnr.
  WRITE:/ var.