Universal Containers would like to display the sum of one of their custom fields within...

 Requirement Overview:

Display the sum of a custom field in the standard Line Editor table without replacing the subtotal or total fields.

 Solution Details:

The Summary Fields field set on the Quote Line object controls which fields appear as totals in the Line Editor.

 Steps to Configure:

Navigate to Setup > Object Manager > Quote Line.

Locate the Summary Fields Field Set.

Add the custom field to the field set.

 Validation:

Open the Quote Line Editor and confirm that the sum of the custom field appears in the standard table, alongside other totals.