AddEventHandler("main", "OnAdminTabControlBegin", "MyOnAdminTabControlBegin");
function MyOnAdminTabControlBegin(&$form)
{
   if (strpos($GLOBALS["APPLICATION"]->GetCurPage(),"/bitrix/admin/subscr_edit.php")===false){} else {
      $subscr_arrmy["USER_PROPERTIES"]=$GLOBALS["USER_FIELD_MANAGER"]->GetUserFields(
         "MY_SUBSCRIPTION",
         $_REQUEST["ID"],
         LANGUAGE_ID
      );
      if ($_REQUEST["ID"]):
         $form->tabs[] = array("DIV" => "my_edit", "TAB" => "Дополнительные данные", "ICON"=>"main_user_edit", "TITLE"=>"Дополнительные данные о подписчике", "CONTENT"=>
            '
            <tr valign="top">
               <td>ФИО:</td>
               <td><input type="text" name="UF_FULLNAME" value="'.$subscr_arrmy["USER_PROPERTIES"]["UF_FULLNAME"]["VALUE"].'" size="30"><br></td>
            </tr>
            <tr valign="top">
               <td>Телефон:</td>
               <td><input type="text" name="UF_PHONE" value="'.$subscr_arrmy["USER_PROPERTIES"]["UF_PHONE"]["VALUE"].'" size="30"><br></td>
            </tr>
            <tr valign="top">
               <td>Компания:</td>
               <td><input type="text" name="UF_ORGANIZATION" value="'.$subscr_arrmy["USER_PROPERTIES"]["UF_ORGANIZATION"]["VALUE"].'" size="30"><br></td>
            </tr>
            '
         );
      endif;
   }
}
 

 AddEventHandler("main", "OnAdminListDisplay", "MyOnAdminListDisplay");
function MyOnAdminListDisplay(&$list)
{
   //add custom group action
   if($list->table_id == "tbl_subscr"){
      $timeArOption=array(
         "FULLNAME"=>array(
            "id"=>"FULLNAME",
            "content"=>"ФИО",
         ),
         "PHONE"=>array(
            "id"=>"PHONE",
            "content"=>"Телефон",
         ),
         "ORGANIZATION"=>array(
            "id"=>"ORGANIZATION",
            "content"=>"Организация",
         )
      );

      foreach ($timeArOption as $key=>$tumeOp):
         $list->aHeaders[$key]=$tumeOp;
         $list->arVisibleColumns[]=$key;
      endforeach;

      foreach($list->aRows as $row):
         $subscr_arrmy["USER_PROPERTIES"]=$GLOBALS["USER_FIELD_MANAGER"]->GetUserFields(
            "MY_SUBSCRIPTION",
            $row->arRes["ID"],
            LANGUAGE_ID
         );
         foreach ($timeArOption as $key=>$tumeOp):
            $row->aHeaders[$key] = $tumeOp;
            $row->aHeadersID[]=$key;
            $row->aFields[$key]["view"]=array(
                 "type" => "html",
                  "value" => $subscr_arrmy["USER_PROPERTIES"]['UF_'.$key]["VALUE"]
            );
            $row->arRes[$key]=$subscr_arrmy["USER_PROPERTIES"]['UF_'.$key]["VALUE"];
         endforeach;
      endforeach;
   }
}

AddEventHandler("main", "OnBeforeProlog", "MyOnBeforeProlog");
function MyOnBeforeProlog()
{
  if (strpos($GLOBALS["APPLICATION"]->GetCurPage(),"/bitrix/admin/subscr_edit.php")===false){} else {
   if($_SERVER["REQUEST_METHOD"] == "POST"){          
         if ($_REQUEST["ID"]):
             global $USER_FIELD_MANAGER;
            $arUserFields = $USER_FIELD_MANAGER->GetUserFields("MY_SUBSCRIPTION");
            $arUsFields = array();
            foreach($arUserFields as $FIELD_ID => $arField)
               $arUsFields[$FIELD_ID] = $_REQUEST[$FIELD_ID];
            $USER_FIELD_MANAGER->Update("MY_SUBSCRIPTION", $_REQUEST["ID"], $arUsFields);
         endif;
   }
  }
}