If you want to make changes to an existing data feeds (such as add new items or remove out of stock items), you can change the settings directly from the data feed in Catalog Manager.

To update an existing catalog data feed:

If you want to make changes to an existing data feeds (such as add new items or remove out of stock items), you can change the settings directly from the data feed in Catalog Manager.

1. In your data feed, make your changes. If you're changing availability or pricing, write the following values in the column you're updating:
   • availability: Use the value out of stock.
   • price: Enter the new price for the item.

Note: If you want to remove an item from your catalog, add the column delete to your data feed and then enter the value TRUE for each item you want to remove.

2. Save your data feed.
3. Open your browser on your computer and go to Catalog Manager.
4. Choose the catalog you want to update.
5. Click Data Sources.
6. Select the data feed you want to update.
7. Click Settings.
8. If you're updating a data feed with a schedule, scroll to the Schedules section and choose an option:
   • Update Schedule: Make faster changes to selected items in your data feed. This is the recommended way to send price and availability updates.
   • Replace Schedule: Refresh your entire data feed. Any items in the existing data feed file not present in the new data feed file are removed after you replace the schedule.
9. If you want to upload all your changes at once, scroll to the Single Upload section and choose Via File Upload or Via URL.

Your data feed will now be updated.

* Nguồn: Facebook