Examples

Slug field

'slug' => [
   'label' => '<path-to-locallang-file>.slug',
   'exclude' => 1,
   'config' => [
      'type' => 'slug',
      'generatorOptions' => [
         'fields' => ['title', 'nav_title'],
         'fieldSeparator' => '/',
         'prefixParentPageSlug' => true,
         'replacements' => [
            '/' => '',
         ],
      ],
      'appearance' => [
         'prefix' => \Vendor\Extension\UserFunctions\FormEngine\SlugPrefix::class . '->getPrefix'
      ],
      'fallbackCharacter' => '-',
      'eval' => 'uniqueInSite',
      'default' => ''
   ],
],

Slug in table pages

Slug field in the table pages

'slug' => [
   'exclude' => true,
   'label' => 'LLL:EXT:core/Resources/Private/Language/locallang_tca.xlf:pages.slug',
   'displayCond' => 'USER:' . \TYPO3\CMS\Core\Compatibility\PseudoSiteTcaDisplayCondition::class . '->isInPseudoSite:pages:false',
   'config' => [
      'type' => 'slug',
      'size' => 50,
      'generatorOptions' => [
         'fields' => ['title'],
         'fieldSeparator' => '/',
         'prefixParentPageSlug' => true
      ],
      'fallbackCharacter' => '-',
      'eval' => 'uniqueInSite',
      'default' => ''
   ]
],