Enable a hierarchical list
You can enable hierarchical lists to make data from related lists directly accessible from within a list.
Before you begin
Role required: personalize_control
About this task
Hierarchical lists enable a user to view the contents of the related lists of a record without leaving the record list form.
Procedure
Right-click any column header, and select Configure > List Control from the context menu.
Select the Hierarchical lists check box in the List Control dialog box and then select Submit or Update.
Select the arrow beside a record number to display the related lists for the record.