%PARENTTOPIC% or %PARENTTOPIC{ format="..." topic="..." }%
TWikiVariables, renders as TWikiVariables
| Item | Description |  Default |      
|---|---|---|
 topic="..."  |      Get parent of "Topic" or "Web.Topic" |  "%WEB%.%TOPIC%" (current topic)  |      
 format="..."  |       Format string used to display parent topic, where $web expands to the web name, and $topic expands to the topic name. Additional formatting tokens can be used.  |       "$topic" (topic name)  |