Twill CMS

        $form->addFieldset(
            Fieldset::make()->title('Key Visual (Banners)')->id('key_visual')->fields([
                InlineRepeater::make()
                    ->name('key_visuals')
                    ->label('Key Visuals')
                    ->fields([
                        Medias::make()->name('image')->label('Key Visual (Banner)'),
                        Checkbox::make()
                            ->name('cta_external')
                            ->label('Open in New Tab')
                            ->default(false),
                        Input::make()->name('cta_link')->label('CTA Link'),
                    ]),
                Input::make()->type('number')->min(0)->step(0.1)->name('autoplay_delay')->label('Autoplay Delay (in second)')->placeholder('e.g. 2.5'),
            ]),
        );

    protected $casts = [
        'key_visuals' => 'array',
    ];
}

    use HandleTranslations, HandleMedias, HandleJsonRepeaters;

    protected $jsonRepeaters = ['key_visuals'];

protected $fieldsPermissions = [
        'title' => 'manage_settings',
    ];