code: def full_name(self):
          
          if not self.name:
              raise ValueError("Missing config name.")
          return "projects/%s/configs/%s" % (self._client.project, self.name)
docs: Fully-qualified name of this variable.
  
          Example:
          ``projects/my-project/configs/my-config``
  
          :rtype: str
          :returns: The full name based on project and config names.
  
          :raises: :class:`ValueError` if the config is missing a name.