Example

Text field with renderType textTable

The table wizard allows to edit the code-like configuration of the tables with a visual editor.

EXT:styleguide/Configuration/TCA/tx_styleguide_elements_basic.php

[
    'columns' => [
        'text_17' => [
            'label' => 'text_17',
            'description' => 'renderType=textTable',
            'config' => [
                'type' => 'text',
                'renderType' => 'textTable',
            ],
        ],
    ],
]