# Hierarchical Navigation **Navigation block that displays the current topic, its parent and children (if any).** %BR% This is intended to be included in other topics, for example in a side navigation bar ([[WebLeftBar]]). _NOTE: The lookup for parent and children will increase the loading time of your pages._
## Usage Two sections are defined: - `all` - `children` ### Displaying the Parent - Current - Children block > %INCLUDE{"%TWIKIWEB%.HierarchicalNavigation" section="all"}% generates: When included in [[WebLeftBar]] (using default Pattern skin) this is styled to:

### Displaying child topics > *Child topics:* > %INCLUDE{"%TWIKIWEB%.HierarchicalNavigation" section="children"}% generates: **Child topics:**

TWiki Installation Error

Incorrect format of searchformat template (missing sections? There should be 4 %SPLIT% tags)
  • WebHome

TWiki Installation Error

Incorrect format of searchformat template (missing sections? There should be 4 %SPLIT% tags)

TWiki Installation Error

Incorrect format of searchformat template (missing sections? There should be 4 %SPLIT% tags)