DocsDeveloper guidesContent modelingHierarchiesHierarchiesUse hierarchies to model tree structures of content.Introducing hierarchiesAn introduction to using hierarchies to model tree structures of content. Includes examples.Learn more about hierarchiesCreating content type schemas for hierarchiesHow to include the hierarchy trait and create content type schemas for hierarchy nodesLearn how to define your content type schemasSorting hierarchy nodesHow to support drag and drop for hierarchies and define your own custom sort.Learn about sorting hierarchy nodesRetrieving hierarchy contentHow to retrieve hierarchical content using the Content Delivery APIs. Includes an overview of the Filter API and Hierarchy API.Learn more about the Content Delivery APIsManaging hierarchy nodesHow to remove a node from a hierarchy and use the hierarchy extension.Learn how to manage hierarchiesHierarchy user guideHow to create and work with hierarchies.Learn how to work with hierarchies