code: def add_linked_dataset(self, project_key, dataset_key):
          
          try:
              project_owner_id, project_id = parse_dataset_key(project_key)
              dataset_owner_id, dataset_id = parse_dataset_key(dataset_key)
              self._projects_api.add_linked_dataset(project_owner_id,
                                                    project_id,
                                                    dataset_owner_id,
                                                    dataset_id)
          except _swagger.rest.ApiException as e:
              raise RestApiError(cause=e)
docs: Link project to an existing dataset
  
          This method links a dataset to project
  
          :param project_key: Project identifier, in the form of owner/id
          :type project_key: str
          :param dataset_key: Dataset identifier, in the form of owner/id
          :type project_key: str
          :raises RestApiException: If a server error occurs
  
          Examples
          --------
          >>> import datadotworld as dw
          >>> api_client = dw.api_client()
          >>> linked_dataset = api_client.add_linked_dataset(
          ...     'username/test-project',
          ...     'username/test-dataset')  # doctest: +SKIP