autoload.php

См. документацию.

<?php
 
use Bitrix\Main\Loader;
 
Loader::registerAutoLoadClasses(
    'currency',
    [
        'CCurrency' => 'general/currency.php',
        'CCurrencyLang' => 'general/currency_lang.php',
        'CCurrencyRates' => 'general/currency_rate.php',
        '\Bitrix\Currency\Compatible\Tools' => 'lib/compatible/tools.php',
        '\Bitrix\Currency\Helpers\Admin\Tools' => 'lib/helpers/admin/tools.php',
        '\Bitrix\Currency\Helpers\Editor' => 'lib/helpers/editor.php',
        '\Bitrix\Currency\UserField\Money' => 'lib/userfield/money.php',
        '\Bitrix\Currency\CurrencyManager' => 'lib/currencymanager.php',
        '\Bitrix\Currency\CurrencyTable' => 'lib/currency.php',
        '\Bitrix\Currency\CurrencyLangTable' => 'lib/currencylang.php',
        '\Bitrix\Currency\CurrencyRateTable' => 'lib/currencyrate.php',
        '\Bitrix\Currency\CurrencyClassifier' => 'lib/currencyclassifier.php',
    ]
);