Examples

Set of radio buttons field

      'radio_1' => [ 
         'exclude' => 1,
         'label' => 'description',
         'description' => 'radio_1 three options, one without label',
         'config' => [ 
            'type' => 'radio',
            'items' => [ 
               '0' => [ 
                  '0' => 'foo',
                  '1' => 1,
               ],
               '1' => [ 
                  '0' => '',
                  '1' => 2,
               ],
               '2' => [ 
                  '0' => 'foobar',
                  '1' => 3,
               ],
            ],
         ],
      ],
      // Example from extension "styleguide", table "tx_styleguide_elements_basic"