Location extensions can be leveraged by Smart campaigns to improve the performance of your ads.
To use a location extension in your Smart campaigns, create a Google Ads location extension and associate it with the account owning the Smart campaigns.
Once complete, the location extension is integrated into the Smart campaigns.
There can only be a single enabled Google Ads location extension feed
CustomerFeed linked to a business profile per
account. If you want to specify which
FeedItems each campaign should
use, you can create CampaignFeeds that filter
the FeedItems from the CustomerFeed extension using a
matching function. The
matching_function can reference specific locations from the linked Business
Profile account.