AfterBackendGroupListConstraintsAssembledFromDemandEvent

New in version 14.0

The PSR-14 event \TYPO3\CMS\Backend\Controller\Event\AfterBackendGroupListConstraintsAssembledFromDemandEvent is dispatched when the backend user repository fetches a list of filtered backend groups (itself called when displaying the list of groups in the backend module). It makes it possible to modify query constraints based on currently active filtering.

Note

This is a sensitive area in terms of security. Please ensure that you are not introducing any breach of security when using this event, for example, by revealing restricted information.

Example

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

<?php

declare(strict_types=1);

namespace MyVendor\MyExtension\Backend\EventListener;

use TYPO3\CMS\Beuser\Event\AfterBackendGroupListConstraintsAssembledFromDemandEvent;
use TYPO3\CMS\Core\Attribute\AsEventListener;

final readonly class MyEventListener
{
    #[AsEventListener]
    public function __invoke(AfterBackendGroupListConstraintsAssembledFromDemandEvent $event): void
    {
        $event->constraints[] = $event->query->eq('workspace_perms', 1);
    }
}

API

class AfterBackendGroupListConstraintsAssembledFromDemandEvent

Fully qualified name: \TYPO3\CMS\Beuser\Event\AfterBackendGroupListConstraintsAssembledFromDemandEvent

Event that is dispatched after the backend user repository fetches a list of filtered backend users.

Listeners can modify query constraints based on currently active filtering.

param $demand: An instance of \TYPO3\CMS\Beuser\Domain\Dto\BackendUserGroup containing the current search criteria
param $query: The \TYPO3\CMS\Extbase\Persistence\QueryInterface instance being used to assemble the query
param $constraints: An array of query constraints. New constraints can be added to this array.