The tree picker is a special reference lookup that you can add as an attribute to a form. Add the tree picker to the classic environment or to workspaces.

The tree picker is a special reference lookup for the following items.

• Configuration Items (CIs) for a field that depends on another CI field.
• Reference elements for any hierarchical table. A hierarchical table is any table that has a parent field pointing back at itself.
• Values for a user reference that depends on the group.