configuration_update_hook.php.twig in Update helper 8

{% block file_methods %}
{% if not file_exists %}
{% include 'module/php_tag.php.twig' %}
{% endif %}

/**
 * {{ description }}
 */
function {{ update_hook_name }}() {
  /** @var \Drupal\update_helper\Updater $updateHelper */
  $updateHelper = \Drupal::service('update_helper.updater');

  // Execute configuration update definitions with logging of success.
  $updateHelper->executeUpdate('{{ module }}', '{{ update_hook_name }}');

  // Output logged messages to related channel of update execution.
  return $updateHelper->logger()->output();
}
{% endblock %}