code: def example_method(self, i3s_output_list, i3s_config):
          
          # create out output text replacing the placeholder
          full_text = self.format.format(output='example')
          response = {
              'cached_until': time() + self.cache_timeout,
              'full_text': full_text
          }
          return response
docs: This method will return an empty text message
          so it will NOT be displayed on your i3bar.
  
          If you want something displayed you should write something
          in the 'full_text' key of your response.
  
          See the i3bar protocol spec for more information:
          http://i3wm.org/docs/i3bar-protocol.html