code: def createrepositorytag(self, project_id, tag_name, ref, message=None):
          
  
          data = {'id': project_id, 'tag_name': tag_name, 'ref': ref, 'message': message}
          request = requests.post(
              '{0}/{1}/repository/tags'.format(self.projects_url, project_id), data=data,
              verify=self.verify_ssl, auth=self.auth, headers=self.headers, timeout=self.timeout)
  
          if request.status_code == 201:
              return request.json()
          else:
              return False
docs: Creates new tag in the repository that points to the supplied ref
  
          :param project_id: project id
          :param tag_name: tag
          :param ref: sha1 of the commit or branch to tag
          :param message: message
          :return: dict