options_user_settings_set.php

См. документацию.

<?
 
$securityWarningTmp = "";
$security_res = true;
if(
    $ID > 0
    && CModule::IncludeModule("security")
    && check_bitrix_sessid()
    && $USER->CanDoOperation('security_edit_user_otp')
    && $security_SYNC1
):
    try
    {
        $otp = \Bitrix\Security\Mfa\Otp::getByUser($ID);
        $otp->syncParameters($security_SYNC1, $security_SYNC2);
        $otp->save();
    }
    catch (\Bitrix\Security\Mfa\OtpException $e)
    {
        $APPLICATION->ThrowException($e->getMessage());
        $security_res = false;
    }
 
endif;