OptionaldocumentDatalayer Notebook or Lexical model instance (for NOTEBOOK/DOCUMENT types)
OptionalerrorError message (for ERROR type)
OptionalgithubGitHub login of the authenticated user
OptionalspaceDatalayer Space model instance (for SPACE type)
OptionalspaceName of the containing space
Type of the tree item
OptionalusernameUsername of the authenticated user
Data associated with a space tree item. Uses Datalayer model instances directly without custom interfaces.