If you use Shop Application for your e-commerce solution, this is how you can create your product feed.
To export your catalogue or generate a feed URL, go to the "Marketing" tab. To find the export for Twenga, click on "Price Comparison sites".
Next to "Twenga", you simply need to click on the "Install" icon.
You can then select the entire product catalogue or the individual sections you want to export. Once the different steps have been validated, click on "Create file". A URL will be generated containing the feed to export your products.