block_content_help

block_content_help($route_name, RouteMatchInterface $route_match)

function block_content_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.block_content':
      $field_ui = \Drupal::moduleHandler()->moduleExists('field_ui') ? \Drupal::url('help.page', array('name' => 'field_ui')) : '#';
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('The Custom Block module allows you to create and manage custom <em>block types</em> and <em>content-containing blocks</em> from the <a href = ":block-library" >Custom block library<a/> page. Custom block types have fields; see the <a href=":field-help">Field module help</a> for more information. Once created, custom blocks can be placed in regions just like blocks provided by other modules; see the <a href=":blocks">Block module help</a> page for details. For more information, see the <a href=":online-help">online documentation for the Custom Block module</a>.', array(':block-library' => \Drupal::url('entity.block_content.collection'), ':block-content' => \Drupal::url('entity.block_content.collection'), ':field-help' => \Drupal::url('help.page', array('name' => 'field')), ':blocks' => \Drupal::url('help.page', array('name' => 'block')), ':online-help' => 'https://www.drupal.org/documentation/modules/block_content')) . '</p>';
      $output .= '<h3>' . t('Uses') . '</h3>';
      $output .= '<dl>';
      $output .= '<dt>' . t('Creating and managing custom block types') . '</dt>';
      $output .= '<dd>' . t('Users with the <em>Administer blocks</em> permission can create and edit custom block types with fields and display settings, from the <a href=":types">Block types</a> page in the Custom block library. For more information about managing fields and display settings, see the <a href=":field-ui">Field UI module help</a>.', array(':types' => \Drupal::url('entity.block_content_type.collection'), ':field-ui' => $field_ui)) . '</dd>';
      $output .= '<dt>' . t('Creating custom blocks') . '</dt>';
      $output .= '<dd>' . t('Users with the <em>Administer blocks</em> permission can create, edit, and delete custom blocks of each defined custom block type, from the <a href=":block-library">Blocks</a> page in the Custom block library. After creating a block, place it in a region from the <a href=":blocks">Block layout</a> page; see the <a href=":block_help">Block module help</a> for more information about placing blocks.', array(':blocks' => \Drupal::url('block.admin_display'), ':block-library' => \Drupal::url('entity.block_content.collection'), ':block_help' => \Drupal::url('help.page', array('name' => 'block')))) . '</dd>';
      $output .= '</dl>';
      return $output;

    case 'entity.block_content.collection':
      $output = '<p>' . t('Blocks in the block library belong to <a href=":types">Custom block types</a>, each with its own fields and display settings. After creating a block, place it in a region from the <a href=":blocks">Block layout</a> page.', array(':types' => \Drupal::url('entity.block_content_type.collection'), ':blocks' => \Drupal::url('block.admin_display'))) . '</p>';
      return $output;

    case 'entity.block_content_type.collection':
      $output = '<p>' . t('Each block type has its own fields and display settings. Create blocks of each type on the <a href=":block-library">Blocks</a> page in the custom block library.', array(':block-library' => \Drupal::url('entity.block_content.collection'))) . '</p>';
      return $output;

  }
}