From your destination store:
➡️ Go to the ‘Products’ tab. Go to the synced product category and hover your cursor on the product for which you want to set the product properties. Click on the ‘Settings’ button.
➡️ The following screen would pop up with Product Properties selection options. Here you can set the Product Properties for a real-time sync. These settings would apply automatically to this product whenever the source store changes the properties of this product at their store. Make changes and click save.