code: def render_metadata(**kwargs):
      
      html = '<div class="metadata">'
  
      service_logo = kwargs.get('service_logo', None)
      if service_logo:
          html += '<img class="metadata-logo" src="{}">'.format(service_logo)
  
      service_name = kwargs.get('service_name', None)
      if service_name:
          html += '<p class="metadata-name">{}</p>'.format(service_name)
  
      timestamp = kwargs.get('timestamp', None)
      if timestamp:
          html += '<p class="user-name">'
  
          timestamp_link = kwargs.get('timestamp_link', None)
          if timestamp_link:
              html += '<a href="{timestamp_link}">{timestamp}</a>'.format(
                  timestamp_link=timestamp_link,
                  timestamp=timestamp
              )
          else:
              html += timestamp
  
          html += '</p>'
  
      html += '</div>'
docs: Unstrict template block for rendering metadata:
      <div class="metadata">
          <img class="metadata-logo" src="{service_logo}">
          <p class="metadata-name">{service_name}</p>
          <p class="metadata-timestamp">
              <a href="{timestamp_link}">{timestamp}</a>
          </p>
      </div>