If you want to customize the way Merchant Center works for your business with more advanced functionality, you can activate add-ons, such as adding promotions on your ads and listings.
Get started
- In your Merchant Center account, select Settings 
in the left navigation menu, then select Add-ons.
 - Select Add for the add-on you want to activate to get started.
 
Add-ons can be deactivated at any time in your Merchant Center by clicking on the corresponding button. Follow the steps you're prompted with prior to deactivating your add-ons.
Note that only add-ons that are compatible with your Merchant Center account will be available. You may view others marked as "unavailable."
New add-ons will become available periodically. Check back often to find the ones that work best for your business. Available add-ons are: