add sale price in plugin WP Product Feed Manager

I use the plugin WP Product Feed Manager.
I want to add there a sale price for a defined date in the feed.
Hope somebody can informe me how I can do this.
Enclosed a picture what I have defined now. The normal Price will work fine. But I use for some products now a reduced offer with a sale Price.

Please let me know what I must do.
kindly regards

Hello there,

I hope you are doing well today.

As it stands,WP Product Feed Manager is a third arty plugin that we have not used before so we would not be able to explain how the plugin works.Please try contacting the plugin’s support.

I am sorry for the inconvenience caused here.

Best Regards,