AfterPackageActivationEvent 

Example 

Registration of the event listener in the extension's Services.yaml:

services:
  # Place here the default dependency injection configuration

  MyVendor\MyExtension\Package\EventListener\MyEventListener:
    tags:
      - name: event.listener
        identifier: 'my-extension/extension-activated'

Read how to configure dependency injection in extensions.

An implementation of the event listener:

<?php

declare(strict_types=1);

namespace MyVendor\MyExtension\Package\EventListener;

use TYPO3\CMS\Core\Package\Event\AfterPackageActivationEvent;

final class MyEventListener
{
    public function __invoke(AfterPackageActivationEvent $event)
    {
        if ($event->getPackageKey() === 'my_extension') {
            $this->executeInstall();
        }
    }

    private function executeInstall(): void
    {
        // do something
    }
}

API 

class AfterPackageActivationEvent

Fully qualified name

\TYPO3\CMS\Core\Package\Event\AfterPackageActivationEvent

Event that is triggered after a package has been activated

getPackageKey ( )

Returns

string

getType ( )

Returns

string

getEmitter ( )

Returns

?object