The only thing you need to use here is the web address of your product feed – typically the same as you already use for Google Shopping, PriceRummer, etc.
Navigate to 'Integration' from the menu, and then select 'Platforms'
Paste the URL of your Google Shopping feed into the provided field.
Ensure the columns in your feed are correctly selected. The most important fields in the feed might have different titles but should correspond to the necessary data:
Click on the blue 'Import X lines' button to start the import process.
The import of products will now begin. The process typically takes about 5 minutes for every 1000 products.