<?php

use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;

$newColumns = [
    'sectionIndex_uid' => [
        'displayCond' => 'FIELD:doktype:=:4',
        'label' => 'LLL:EXT:ew_base/Resources/Private/Language/locallang_db.xlf:pages.content_uid',
        'config' => [
            'type' => 'group',
            'allowed' => 'tt_content',
            'size' => 1,
            'relationship' => 'manyToOne',
            'default' => 0,
            'maxitems' => 1,
            'suggestOptions' => [
                'default' => [
                    'additionalSearchFields' => 'header, bodytext',
                    'searchWholePhrase' => false
                ]
            ],
            'behaviour' => [
                'allowLanguageSynchronization' => true
            ]
        ]
    ],
];

ExtensionManagementUtility::addTCAcolumns('pages', $newColumns);
ExtensionManagementUtility::addFieldsToPalette(
    'pages',
    'shortcutpage',
    '--linebreak--, sectionIndex_uid',
    'after:shortcut'
);