code: def comment_issue(self, issue_id, body):
          
          request_url = "{}issue/{}/comment".format(self.create_basic_url(),
                                                    issue_id)
  
          payload = {'comment': body}
  
          return_value = self._call_api(request_url,
                                        method='POST', data=payload)
  
          LOG.debug(return_value)
docs: Comment to an issue.
          :param issue_id: the id of the comment
          :param body: the comment body
          :return: