lupus_decoupled-1.x-dev/modules/lupus_decoupled_ce_api/lupus_decoupled_ce_api.install

<?php

/**
 * @file
 * Install, update and uninstall functions for Lupus Decoupled CE API.
 */

/**
 * Set default preview provider to 'markup'.
 */
function lupus_decoupled_ce_api_update_9001() {
  $config = \Drupal::configFactory()->getEditable('lupus_decoupled_ce_api.settings');
  if (!$config->get('preview_provider')) {
    $config->set('preview_provider', 'markup');
    $config->save();
  }
}