devportal-8.x-2.0-alpha10/modules/dp_faq/dp_faq.install

<?php

/**
 * @file
 * Install, update, and uninstall functions for dp_faq module.
 */

/**
 * Add has-shadow class to devportal_faq view.
 */
function dp_faq_update_8001() {
  $config_factory = \Drupal::configFactory();
  if ($config_factory->loadMultiple(['views.view.devportal_faq'])) {
    $config = $config_factory->getEditable('views.view.devportal_faq');
    $display = $config->get('display');
    $css_class = $display['default']['display_options']['css_class'] ? explode(' ', $display['default']['display_options']['css_class']) : [];
    $css_class[] = 'has-shadow';
    $css_class = implode(' ', $css_class);
    $config->set('display.default.display_options.css_class', $css_class);
    $config->save(TRUE);
  }
}

/**
 * Set the accordion height to 'content'.
 */
function dp_faq_update_8002() {
  $config_factory = \Drupal::configFactory();
  if ($config = $config_factory->getEditable('views.view.devportal_faq')) {
    $config->set('display.default.display_options.style.options.heightStyle', 'content');
    $config->save(TRUE);
  }
}