code: def register(coordinator):
      
  
      if FLAGS.phantomjs_script:
          utils.verify_binary('phantomjs_binary', ['--version'])
          assert os.path.exists(FLAGS.phantomjs_script)
      else:
          utils.verify_binary('capture_binary', ['--version'])
          assert FLAGS.capture_script
          assert os.path.exists(FLAGS.capture_script)
  
      assert FLAGS.capture_threads > 0
      assert FLAGS.queue_server_prefix
  
      item = queue_worker.RemoteQueueWorkflow(
          constants.CAPTURE_QUEUE_NAME,
          DoCaptureQueueWorkflow,
          max_tasks=FLAGS.capture_threads,
          wait_seconds=FLAGS.capture_wait_seconds)
      item.root = True
      coordinator.input_queue.put(item)
docs: Registers this module as a worker with the given coordinator.