If you modify parts or part data included in a schedule, you can update the schedule table automatically to reflect the changes. When part data changes, the schedule table is displayed with a line drawn through it.
If you remove parts, you can update the schedule automatically to reflect the quantity changes. If you add parts, and want to include them in an existing schedule, you simply need to select the new parts to update the schedule.
To update the schedule table for property data changes and deleted parts
To add new parts to a schedule
Optionally, you can select the schedule table and change the Update Automatically setting on the Properties palette from No to Yes to immediately update the schedule any time you make a change.