ext_tables.php

<?php
defined('TYPO3_MODE') or die();

\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::allowTableOnStandardPages('tt_address');
\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addToInsertRecords('tt_address');
\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addLLrefForTCAdescr('tt_address', 'EXT:tt_address/locallang_csh_ttaddress.xml');

if (TYPO3_MODE === 'BE') {
    $GLOBALS['TBE_MODULES_EXT']['xMOD_db_new_content_el']['addElClasses']['tx_ttaddress_pi1_wizicon'] =
        \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath($_EXTKEY) . 'pi1/class.tx_ttaddress_pi1_wizicon.php';
}