outside_in_help

outside_in_help($route_name, RouteMatchInterface $route_match)

function outside_in_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.outside_in':
      $output = '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('The Settings Tray module provides an \'edit mode\' in which clicking on a block opens a slide-out tray which allows configuration to be altered without leaving the page.For more information, see the <a href=":outside-in-documentation">online documentation for the Settings Tray module</a>.', [':outside-in-documentation' => 'https://www.drupal.org/documentation/modules/outside_in']) . '</p>';
      $output .= '<h3>' . t('Uses') . '</h3>';
      $output .= '<dl>';
      $output .= '<dt>' . t('Editing blocks on the same page in the slide-out tray') . '</dt>';
      $output .= '</dl>';
      return ['#markup' => $output];
  }
}