autoSchedule question

In addition to start_date, end_date and period, actl_start_date, actl_end_date, actl_start_duration were added. I would like to know how the parent automatically calculates when entering an added column.

Hello Seungmin,
The autoSchedule method updates only the standard date parameters: start_date, end_date, and duration. If you have any other parameters, you need to manually update them.
Also, the tasks with the Project type ignore the date parameters and obtain them from their children:

If you mean something different, please describe your question with more details.