public BookManagerInterface::saveBookLink(array $link

Default theme implementation to navigate books. Presented under nodes that are a part of book outlines. Available

protected BookManager::loadBooks() Loads

The entity query for node. Type:

Allows users to create and organize related content in an outline. File core/modules/book/book.module

public BookSettingsForm::submitForm(array &$form, FormStateInterface

public BookManager::bookSubtreeData($link) Gets

The book manager. Type:

public static BookController::create(ContainerInterface

book_node_links_alter(array &$links, NodeInterface $node, array &$context) Implements