public function logout(){

        global $USER;

        if (!is_object($USER))

            $USER = new CUser;

        if($_SERVER['HTTP_X_TOKEN']):

            Load::includeModule('main');

            $result = array();

            $userBy = "id";
            $userOrder = "desc";

            $userFilter = array(
                "ACTIVE"    =>  "Y",
                "UF_API_TOKEN"     =>  $_SERVER['HTTP_X_TOKEN']
            );

            $userParam = array(
                "FIELDS" => array(
                    "ID",
                    "LOGIN"
                )
            );

            $rsUser = CUser::GetList(
                $userBy,
                $userOrder,
                $userFilter,
                $userParam
            );

            if($arUser = $rsUser -> Fetch()) {
                    $oUser = new CUser;
                    $aFields = array(
                        'UF_API_TOKEN'          => '',
                        'UF_API_TOKEN_DATE'     => ''
                    );
                    $res = $oUser->Update($arUser['ID'], $aFields);

                    if ($res) {
                        $result['success'] = true;
                    }

                    else{
                        $result['success'] = true;
                    }


            }

        endif;

        return $result;

    }