code: def action_verb(self):
          
          url = self.action
  
          if url is None:
              return None
  
          protocol_and_host = url.split('?')[0]
          host = protocol_and_host[11:]
  
          return host
docs: The host portion of the `ppaction://` URL contained in the action
          attribute. For example 'customshow' in
          'ppaction://customshow?id=0&return=true'. Returns |None| if no action
          attribute is present.