Set up custom attributes to use in attribute rules

In your Merchant Center account, click on the Settings & tools icon .

Select Data sources.

Under the “Product sources” tab, select a product source.

Click the Attribute rules tab and select an attribute.

• If you haven't created attribute rules for the attribute you want to edit, click Add attribute rule and select the corresponding attribute from the drop-down list.

On the page that opens, select the button for the action you’d like to take:

• Replace attribute data: Configure from where the data for the attribute should come. You can choose to replace the attribute with specific values or data from other sources. Click the pencil icon to see more options:
  • Select when to replace the attribute data
  • Select how to replace the attribute data
• Modify attribute data: Add any optional steps to change your data. For example, you may alter certain words in your product title or update your data to meet product data specifications. Click the pencil icon to see more options:
  • Select when to replace the attribute data
  • Select how to modify the attribute data (Prepend, Append, or Find & Replace)

After selecting the actions and providing the required information in the setup flow, click Ok.

After you have made all your changes, click Save as draft at the bottom right hand corner.

The changes made to your rules are in draft mode. Click Show preview to test your draft rules before they’re applied to your product data.

Click Apply changes to save any new or updated rules. Or, click Discard changes to remove the draft rules.