Preview Images in TCA Forms

TCA.php

<?php
array(
'logo' => array(
            'exclude' => 1,
            'label' => 'LLL:EXT:cziel_worldcom_base/Resources/Private/Language/locallang_db.xlf:tx_czielworldcombase_domain_model_organisation.logo',
            'config' => array(
                'maxitems' => 1,
                'type' => 'inline',
                'foreign_table' => 'sys_file_reference',
                'foreign_field' => 'uid_foreign',
                'foreign_sortby' => 'sorting_foreign',
                'foreign_table_field' => 'tablenames',
                'foreign_match_fields' => array(
                    'fieldname' => 'logo'
                ),
                'foreign_label' => 'uid_local',
                'foreign_selector' => 'uid_local',
                'foreign_selector_fieldTcaOverride' => array(
                    'config' => array(
                        'appearance' => array(
                            'elementBrowserType' => 'file',
                            'elementBrowserAllowed' => $GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext']
                        )
                    )
                ),
                'filter' => array(
                    array(
                        'userFunc' => 'TYPO3\\CMS\\Core\\Resource\\Filter\\FileExtensionFilter->filterInlineChildren',
                        'parameters' => array(
                            'allowedFileExtensions' => $GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext'],
                            'disallowedFileExtensions' => ''
                        )
                    )
                ),
                'show_thumbs' => 1,
                'appearance' => array(
                    'collapseAll' => true,
                    'expandSingle' => true,
                    'newRecordLinkAddTitle' => 1,
                    'newRecordLinkPosition' => 'both',
                    'headerThumbnail' => array(
                        'field' => 'uid_local',
                        'height' => 64,
                        'width' => 64
                    )
                )
            ),
        ),
);