A hierarchical list allows a related list to have the option to show child records associated with the parent. This can be useful to see all related records to a parent record in one view instead of having to drill into to each individual record.
Release or Environment
Kingston, London, Madrid
- Go to a related list where you would like to enable hierarchical list
- Right click on the column header to bring up the context menu and go to Configure -> List Control
- In the List Control Form, find Hierarchical lists check box, check it and update the record
- Now on the related list, you should see a black arrow that will allow you to see all child records
Note: You can also turn on the hierarchical list on the child's records so you can see those children. Follow the same steps as above.