old_contents: 'use strict';
  
  class MediaUploadCommand {
  
      execute(event){
          event.context.getLogger('media').info('execute media upload command...');
      }
  }
  
  module.exports = MediaUploadCommand;
  
new_contents: 'use strict';
  
  class MediaUploadCommand {
  
      execute(event) {
          const logger = event.context.getLogger('media-upload');
          logger.info('MediaListCommand execute...');
          logger.info('execute media upload command...');
      }
  }
  
  module.exports = MediaUploadCommand;
subject: update example