AfterPackageActivationEvent
The PSR-14 event
\TYPO3\
is triggered after a package has been activated.
Attention
This event is dispatched when an extension is activated in the Extension Manager, therefore starting with TYPO3 v11 this event is only dispatched in Classic mode installations, not in Composer-based installations. Use installer events by Composer for Composer-based installations.
Example
EXT:my_extension/Classes/Package/EventListener/MyEventListener.php
<?php
declare(strict_types=1);
namespace MyVendor\MyExtension\Package\EventListener;
use TYPO3\CMS\Core\Attribute\AsEventListener;
use TYPO3\CMS\Core\Package\Event\AfterPackageActivationEvent;
#[AsEventListener(
identifier: 'my-extension/extension-activated',
)]
final readonly class MyEventListener
{
public function __invoke(AfterPackageActivationEvent $event)
{
if ($event->getPackageKey() === 'my_extension') {
$this->executeInstall();
}
}
private function executeInstall(): void
{
// do something
}
}