ModifyAllowedItemsEvent

New in version 12.0: This event has been introduced together with ModifyLinkHandlersEvent to serve as a direct replacement for the following removed hook $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['LinkBrowser']['hooks']. It replaces the method modifyAllowedItems() in this hook.

The PSR-14 event \TYPO3\CMS\Backend\Controller\Event\ModifyAllowedItemsEvent allows extension authors to add or remove from the list of allowed link types.

See also

• Events to modify link handler

• ModifyLinkHandlersEvent

Example

EXT:my_extension/Classes/Backend/EventListener/MyEventListener.php

<?php

declare(strict_types=1);

namespace MyVendor\MyExtension\Backend\EventListener;

use TYPO3\CMS\Backend\Controller\Event\ModifyAllowedItemsEvent;
use TYPO3\CMS\Core\Attribute\AsEventListener;

#[AsEventListener(
    identifier: 'my-extension/backend/allowed-items'
)]
final class MyEventListener
{
    public function __invoke(ModifyAllowedItemsEvent $event): void
    {
        $event->addAllowedItem('someItem');
        $event->removeAllowedItem('anotherItem');
    }
}

New in version 13.0: The PHP attribute \TYPO3\CMS\Core\Attribute\AsEventListener has been introduced to tag a PHP class as an event listener. Alternatively, or if you need to be compatible with older TYPO3 versions, you can also register an event listener via the Configuration/Services.yaml file. Switch to an older version of this page for an example or have a look at the section Implementing an event listener in your extension.

API

class TYPO3\CMS\Backend\Controller\Event\ModifyAllowedItemsEvent

This event allows extensions to add or remove from the list of allowed link types.

getAllowedItems()

Return type

array

Returns

string[]

addAllowedItem(string $item)

Parameters

• $item (string) -- the item

Return type

self

removeAllowedItem(string $new)

Parameters

• $new (string) -- the new

Return type

self

getCurrentLinkParts()

Return type

array

Returns

array<string,mixed>