public function addEnvironmentVariable(PostProcessCreationEvent $event)
    {
        // Get the current set environment variables.
        $env = $event->getProcess()->getEnv();

        // Add the "para_project" environment variable
        $env['para_project'] = $event->getProject()->getName();

        // Save the environment variables in the process.
        $event->getProcess()->setEnv($env);
    }