Issue #3255339 by hmendes, marcusvsouza: Implement hook_help

use Drupal\Core\Form\FormStateInterface;

use Drupal\Core\Config\Entity\ConfigEntityInterface;

use Drupal\Core\Render\Element\PathElement;

use Drupal\Core\Routing\RouteMatchInterface;

use Drupal\Core\Routing\TrustedRedirectResponse;

use Drupal\Core\Url;

/**

 * Implements hook_help().

 */

function entity_redirect_help($route_name, RouteMatchInterface $route_match) {

  switch ($route_name) {

    case 'help.page.entity_redirect':

      $output = '';

      $output .= '<h3>' . t('About') . '</h3>';

      $output .= '<p>' . t('The Entity Redirect module adds a configurable redirect after saving a node or other entity.The redirect is configurable per bundle. Also, given sufficient permissions (and presuming it is enabled for that specific content/bundle), individual users can configure their own redirects (on their profile edit page).') . '</p>';

      $output .= '<h3>' . t('Configuration') . '</h3>';

      $output .= '<p>' . t('Configuration can be accessed for each supported entity bundle on the edit page for that entity type. For example for the Node type Article that would be at /admin/structure/types/manage/article. The configuration will be in the publishing options section if available.');

      $output .= '<h3>' . t('Uses') . '</h3>';

      $output .= '<dl>';

      $output .= '<dt>' . t('Default') . '</dt>';

      $output .= '<dd>' . t('This will not impact the entity but will just go to the default.') . '</dd>';

      $output .= '<dt>' . t('Add Form') . '</dt>';

      $output .= '<dd>' . t('Redirect to a new add form for the content type/entity.') . ' </dd>';

      $output .= '<dt>' . t('Local Url') . '</dt>';

      $output .= '<dd>' . t('provide a local url in the form of /about to go to any page on the site.') . '</dd>';

      $output .= '<dt>' . t('External Url') . '</dt>';

      $output .= '<dd>' . t('Same as local url but to an external location. Note: this is only available to users with the permission set external entity redirects.') . '</dd>';

      $output .= '</dl>';

      return $output;

    default:

  }

}

/**

 * Implements hook_form_alter().

 */