code: def getLabel(self):
          
          response = xmlparser(
              self.retriever.getLabel(urn=str(self.urn))
          )
  
          self._parse_request(
              response.xpath("//ti:reply/ti:label", namespaces=XPATH_NAMESPACES)[0]
          )
  
          return self.metadata
docs: Retrieve metadata about the text
  
          :rtype: Metadata
          :returns: Dictionary with label informations