ext_localconf.php

<?php

declare(strict_types=1);

use TYPO3\CMS\RteCKEditor\Form\Resolver\RichTextNodeResolver;

defined('TYPO3') or die();

// Register FormEngine node type resolver hook to render RTE in FormEngine if enabled
$GLOBALS['TYPO3_CONF_VARS']['SYS']['formEngine']['nodeResolver'][1480314091] = [
    'nodeName' => 'text',
    'priority' => 50,
    'class' => RichTextNodeResolver::class,
];

// Register the presets
if (empty($GLOBALS['TYPO3_CONF_VARS']['RTE']['Presets']['default'])) {
    $GLOBALS['TYPO3_CONF_VARS']['RTE']['Presets']['default'] = 'EXT:rte_ckeditor/Configuration/RTE/Default.yaml';
}
if (empty($GLOBALS['TYPO3_CONF_VARS']['RTE']['Presets']['minimal'])) {
    $GLOBALS['TYPO3_CONF_VARS']['RTE']['Presets']['minimal'] = 'EXT:rte_ckeditor/Configuration/RTE/Minimal.yaml';
}
if (empty($GLOBALS['TYPO3_CONF_VARS']['RTE']['Presets']['full'])) {
    $GLOBALS['TYPO3_CONF_VARS']['RTE']['Presets']['full'] = 'EXT:rte_ckeditor/Configuration/RTE/Full.yaml';
}