HooksExampleController.php

<?php

namespace Drupal\hooks_example\Controller;

use Drupal\examples\Utility\DescriptionTemplateTrait;

/**
 * Controller for Hooks example description page.
 *
 * This class uses the DescriptionTemplateTrait to display text we put in the
 * templates/description.html.twig file.
 */
class HooksExampleController {
    use DescriptionTemplateTrait;
    
    /**
     * {@inheritdoc}
     */
    protected function getModuleName() {
        return 'hooks_example';
    }

}