Example

Code highlighting with t3editor

'columns' => [
    't3editor_1' => [
        'exclude' => 1,
        'label' => 't3editor_1 format=html, rows=7',
        'description' => 'field description',
        'config' => [
            'type' => 'text',
            'renderType' => 't3editor',
            'format' => 'html',
            'rows' => 7,
        ],
    ],
]