function getMinPriceBySectionID($sectionID){

    $CATALOG_ID = 4;
    $rsProducts = CIBlockElement::GetList(
        Array('CATALOG_GROUP_1' => 'ASC'),
        Array('IBLOCK_ID' => $CATALOG_ID, 'SECTION_ID' => $sectionID),
        false,
        Array('nTopCount' => 1),
        Array('IBLOCK_ID', 'ID', 'NAME', 'CATALOG_GROUP_1')
    );

    $arProducts = $rsProducts->Fetch();

    $price = $arProducts["CATALOG_PRICE_1"];
    if (!empty( $price))
         return App::priceFormat($price);
    else
        return false;
}