ext_localconf.php

<?php

defined('TYPO3') or die();

use DERHANSEN\SfBanners\Controller\BannerController;
use TYPO3\CMS\Core\Cache\Backend\Typo3DatabaseBackend;
use TYPO3\CMS\Core\Cache\Frontend\VariableFrontend;
use TYPO3\CMS\Extbase\Utility\ExtensionUtility;

ExtensionUtility::configurePlugin(
    'sf_banners',
    'Pi1',
    [
        BannerController::class => 'show,getBanners,click',
    ],
    /* non-cacheable actions */
    [
        BannerController::class => 'getBanners,click',
    ],
    ExtensionUtility::PLUGIN_TYPE_CONTENT_ELEMENT
);

// Register cache 'sfbanners_cache'
$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['sfbanners_cache'] ??= [];
$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['sfbanners_cache']['frontend'] ??= VariableFrontend::class;
$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['sfbanners_cache']['backend'] ??= Typo3DatabaseBackend::class;
$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['sfbanners_cache']['groups'] ??= ['pages', 'all'];