You are able to update products from Copper Bay Digital with Stock Sync. Just choose on Copper Bay Digital template after choosing to update existing products in your store. 

1. Go to Setup New Feed > Choose Update existing products.

2. Choose or search for Copper Bay Digital template.

3. You need to fill up the API Key that received from your supplier. 

4. Once done you can click Next to the field mapping section.

5. If you want to do any changes on mapping or advanced setting, then you can do the changes. If not please continue to next step to run the process.