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$menuName = '';
$description = '';

$handlerFolder = 'https://'.$_REQUEST['DOMAIN'].'/w4a_apps/widget/tendercalc/handlers';
$handlerFile = "/handler.php";
$groupName = "";
switch ($placement) {
        case 'CRM_DEAL_DETAIL_ACTIVITY':
        case 'CRM_DEAL_DETAIL_TAB':
            $handlerFile .= '?tpl=tendercalc';
            $menuName = 'Калькулятор';
            $description = 'Калькулятор';
            $groupName = 'Калькулятор';
            break;
        default:
            continue;
}

// регистрируем врезку
$result = CRest::call('placement.bind',
    array(
        'PLACEMENT' => $placement,
        'HANDLER' => $handlerUrl,
        'TITLE' => $menuName,
        'DESCRIPTION' => $description,
        'GROUP_NAME' => $groupName,

    )
);

<?

require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_before.php');
$fullData = true;
if($fullData)
    $data = http_build_query($_REQUEST);
else
    $data = 'PLACEMENT=' . $_REQUEST['PLACEMENT'] . '&PLACEMENT_OPTIONS=' . $_REQUEST['PLACEMENT_OPTIONS'];

header('Location: https://'.$_REQUEST['DOMAIN'].'/company/lists/19/element/0/1863/?IFRAME=Y&' . $data);
die();