1. Click on Setup new feed

2. Choose the action Update existing Products in store and click Continue

3. On the template page, search for Clickhere2shop

4. Click on the Customize to Choose the template and proceed
5. Once created, you will be redirected to the dashboard of the Stock Sync app.
6. Then, you can Start Process to update the product. 

7. To check the product information that are being added, click on Edit Settings and click on Next to Field Mapping page.

Only 3 fields are mapped to be updated, but you can add more.