installation-bundle/src/EventListener/InitializeApplicationListener.php
public function onInitialize(InitializeApplicationEvent $event): void
    {
        $this->installAssets($event);
        $this->installContao($event);
        $this->createSymlinks($event);
    }
public function onInitialize(InitializeApplicationEvent $event): void
    {
        $this->installAssets($event);
        $this->installContao($event);
        $this->createSymlinks($event);
    }
Listens to the contao_installation.initialize event.