= {{book.title}} . link:topics/preface.adoc[Preface] . link:topics/admin-rest-api.adoc[Admin REST API] . link:topics/themes.adoc[Themes] . link:topics/custom-attributes.adoc[Custom User Attributes] {% if book.community %} . link:topics/providers.adoc[Service Provider Interfaces (SPI)] . link:topics/extensions.adoc[Extending Server] . link:topics/auth-spi.adoc[Authentication SPI] . link:topics/events.adoc[Event Listener SPI] . link:topics/user-federation.adoc[User Federation SPI] . link:topics/user-federation-mapper.adoc[User Federation Mapper SPI] {% endif %}