Menjalankan Event Mailer di background

ChallengeEventMailer.php

<?php

// Event handler ini akan berjalan di background
class ChallengeEventMailer extends QueuedEventHandler
{
    public function whenUnpublishedChallengeWasPublished($job, $data)
    {
        try {

            // Kirim email di background

            $job->delete();
            
        } catch (\Exception $e) {
            \Log::error($e);
            throw $e;
        }
        
    }
    
    public function whenUnpublishedChallengeWasCreated($job, $data)
    {
        
    }
    
    // dsb
}