: A [[filter|Filters]] selecting which tiddlers to include
;default
: The title of the tiddler whose tab is to be selected by default
;state
: The prefix for the title of a [[state tiddler|StateMechanism]] for noting the currently selected tab, defaulting to `$:/state/tab`. It is recommended that this be a [[system tiddler|SystemTiddlers]]
;class
: Additional [[CSS|Cascading Style Sheets]] classes for the generated `div` elements. Multiple classes can be separated with spaces
;template
: Optionally, the title of a tiddler to use as a [[template|TemplateTiddlers]] for transcluding the content of the selected tab