How to use the papermill.engines.papermill_engines.register function in papermill

intermediate_path = os.path.join(
                output_notebook_dir, '{prefix}-inter.ipynb'.format(prefix=str(uuid.uuid4()))
            )
            write_ipynb(nb_no_parameters, intermediate_path)

            with user_code_error_boundary(
                DagstermillExecutionError,
                lambda: (
                    'Error occurred during the execution of Dagstermill solid '
                    '{solid_name}: {notebook_path}'.format(
                        solid_name=name, notebook_path=notebook_path
                    )
                ),
            ):
                try:
                    papermill_engines.register('dagstermill', DagstermillNBConvertEngine)
                    papermill.execute_notebook(
                        intermediate_path, temp_path, engine_name='dagstermill', log_output=True
                    )
                except Exception as exc:
                    yield Materialization(
                        label='output_notebook',
                        description='Location of output notebook on the filesystem',
                        metadata_entries=[EventMetadataEntry.fspath(temp_path)],
                    )
                    raise exc

            # deferred import for perf
            import scrapbook

            output_nb = scrapbook.read_notebook(temp_path)