Opening and Closing the Hierarchy
For this exercise, use the businessMeetings.ditamap document you modified in the previous exercise.
You can use the expand
![This graphic shows the expand control.](../../editor/tutorial/images/expandic.png)
and collapse
![This graphic shows the collapse control.](../../editor/tutorial/images/collapse.png)
controls in the
Outline column to open and close parts of the map hierarchy.
Follow these steps to close some of the map hierarchy in the businessMeetings.ditamap document:
1. Click on the collapse control next to the Preparing for a Meeting topic.
That part of the map closes:
2. Click on the expand control next to the Preparing for a Meeting topic to reopen that part of the map.
3. Save businessMeetings.ditamap.
You completed map should look like this:
Parent topic