Position HDL upload how to have the employment automatically updated no synchronize process run?

Hello,

we manage the employment details , at the position level .

When performing a HDL load of The of the position details the employment data isn’t automatically populated from the position without running to synchronize process. However, when performing a manual update on the position, the assignment is automatically populated, without running the process of sync. (sync from position flag set to Y.)

We would like to avoid the sync process, the synchronize also other positions ,not a part of the HDL load.

How can we have when uploading positions by HDL the details automatically populate the assignment?

to avoid this process :