F4 display upon value request - values to be selected

Hello experts,
I have an issue here. When the function module F4IF_INT_TABLE_VALUE_REQUEST is used in my program for displaying the PSTYV field values on the selection screen upon value request. Now, when the popup opens there are 53 number of item categories, i.e., from VBRP table. If any one of them is selected and double clicked, they should be selected as per the conventional idea, but nothing is being selected after double clicking. How to achieve this ? The following is my code.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR SO_PSTYV-LOW.
SELECT DISTINCT PSTYV
FROM VBRP
INTO TABLE GT_PSTYV.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
EXPORTING
 retfield = 'PSTYV'
 VALUE_ORG = 'S'
tables
 value_tab = GT_PSTYV
 RETURN_TAB = GT_RETURN
EXCEPTIONS
 PARAMETER_ERROR = 1
 NO_VALUES_FOUND = 2
 OTHERS = 3
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
Thanks and regards,
Ambareesh J.

Try passing parameters dynpprog dynppr and dynprofield as below:
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
 EXPORTING
 retfield = 'PSTYV'
 value_org = 'S'
 dynpprog = sy-cprog
 dynpnr = sy-dynnr
 dynprofield = 'SO_PSTYV-LOW'
 TABLES
 value_tab = gt_pstyv
 return_tab = gt_return
 EXCEPTIONS
 parameter_error = 1
 no_values_found = 2
 OTHERS = 3.
 IF sy-subrc <> 0.
 MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
 WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
 ENDIF.
Regards

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=====
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Web Page
<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
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 xmlns:h="http://java.sun.com/jsf/html"
 xmlns:a4j="http://richfaces.org/a4j"
 xmlns:rich="http://richfaces.org/rich">
<head>
<title>Prove Rich</title>
</head>
<body>
<h2>Prove Rich</h2>
<f:view>
<a4j:outputPanel ajaxRendered="true">
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 private List<SelectItem> procedureList = new ArrayList<SelectItem>();
 private List<SelectItem> bancheList = new ArrayList<SelectItem>();
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 List<SelectItem> l = new ArrayList<SelectItem>();
 l.add(new SelectItem("Cessione del quinto"));
 l.add(new SelectItem("Credito al consumo"));
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 l = new ArrayList<SelectItem>();
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 canaliBanche.put("Profamily", l);
 l = new ArrayList<SelectItem>();
 l.add(new SelectItem("BDL"));
 l.add(new SelectItem("BM"));
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 l.add(new SelectItem("CRA"));
 canaliBanche.put("Captive", l);
 public String getInputRequired() {
 return inputRequired;
 public void setInputRequired(String ir) {
 inputRequired = ir;
 public String getCanale() {
 return canale;
 public void setCanale(String c) {
 canale = c;
 public String getProcedura() {
 System.out.println("\ngetProcedura called\n");
 return procedura;
 public void setProcedura(String p) {
 procedura = p;
 public String getBanca() {
 System.out.println("\ngetBanca called\n");
 return banca;
 public void setBanca(String b) {
 banca = b;
 public List<SelectItem> getProcedureList() {
 return procedureList;
 public List<SelectItem> getBancheList() {
 return bancheList;
 public String caricaProcBanche() {
 System.out.println("\nListener called\n");
 procedureList.clear();
 bancheList.clear();
 if(canale != null && !canale.equals("")) {
 procedureList.addAll(canaliProc.get(canale));
 bancheList.addAll(canaliBanche.get(canale));
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 banca = null;
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 System.out.println("\nProcedura: "+procedura+"\n");
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A page is using PL/SQL script to display data. There are 2 display variables. Instead of bringing initial set of data, it displays NULL values. It "fixes" itself after changing variable values from a drop down menu. Why is that and how to fix it?

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OTN.159(tcl)#source flash:TCL_SNMP_Remote_Read.tcl
invalid command name "::cisco::eem::event_register_none"             ^
% Invalid input detected at '^' marker.
What am I missing?
================= TCL_SNMP_Remote_Read.tcl ==============================
::cisco::eem::event_register_none
namespace import ::cisco::eem::*
namespace import ::cisco::lib::*
if [catch {cli_open} RESULT]
    { error $RESULT $errorInfo }
    else { array set cli1 $RESULT }
if [catch {cli_exec $cli1(fd) "snmp get v2c 192.168.1.100 public timeout 1 oid 1.3.6.1.2.1.1.1.0" } RESULT]
       { error $RESULT $errorInfo }
       else { set SnmpSysDesc $RESULT }
if [catch {cli_close $cli1(fd) $cli1(tty_id)} RESULT] {
            error $RESULT $errorInfo
puts $SnmpSysDesc
=========================================================================
In the sho-run config I have:
event manager directory user policy "flash:/"
event manager session cli username "cisco"
Any help to get me started would be greatly appreciated!
Tim

If you don't want an EEM policy, then don't use any of the EEM constructs. Instead, all you need is this:
set output [exec "snmp get v2c 192.168.1.100 public timeout 1 oid 1.3.6.1.2.1.1.1.0"]puts $output

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