To upload a Facebook feed with the scheduled generation synced with Shopify using the FeedFusion: Product Feed Sync app, please follow the below instructions. Set up the initial product catalog in Facebook business account in Data Sources → Data Feed → Next.
Then specify all the required settings following the steps offered by Facebook.
Step 1. In the first step, choose upload option.
Step 2. In the Shopify FeedFusion, open the previously generated feed that should be added to Facebook and copy its link.