Story navigation is an optional story element that provides readers with links to the main sections of your story. Story navigation can be configured as a table of contents or bookmarks that allow readers to go directly to different parts of a story. It also gives readers a visual indication of their current location in the story.
Use the following steps to enable and configure story navigation:
-  Enable story navigation.- Open the Design panel from the story builder.
-  Under Optional story sections, turn on Navigation.The story navigation bar appears at the top of the story. 
 
-  Configure the story navigation links.-  Hover the pointer over the navigation bar and click Properties.The Story navigation properties panel appears. 
- Select the headings to include in the story navigation.Note:You can include up to 10 heading links in story navigation. If your story has more than 10 headings, select those to include in the navigation bar.
- Optionally, rename the heading links.Note:Each heading link has a 30-character limit. If any of the selected headings exceed the 30-character limit, you can change the name of the heading links for the navigation bar. 
 
-  Hover the pointer over the navigation bar and click Properties.
The story navigation bar is added to the top of the story with configured heading links.