code: public function logJobStart(ProcessJobEvent $event) : void
      {
          $queue  = $event->getQueue();
          $job    = $event->getJob();
          $logger = $this->getLogger();
  
          $logger->info(sprintf(
              $this->tmpl['job'],
              $queue->getName(),
              'START',
              $this->formatJob($job),
              ''
          ));
  
          $this->injectLoggerInObject($job);
          $this->injectLoggerInEvent($event);
      }
docs: listener method for process job event.
  
  Called early due to high priority.
  
  @param ProcessJobEvent $event