As part of setting up cross-channel remarketing, you sign into the social or search engine and create a remarketing list with a rule. The rule causes a remarketing tag to fire if a landing page URL contains a specific Search Ads 360 remarketing parameter.
When a customer clicks an ad associated with the Search Ads 360 remarketing list and is redirected to Search Ads 360, Search Ads 360 adds the
ds_rl URL parameter to the landing page URL and appends this value. For example, if Search Ads 360 generated 1234 to uniquely identify users who clicked on an ad in a Search Ads 360 remarketing list, Search Ads 360 would add the following URL parameter to the landing page URL:
When the customer lands on the advertiser's site, the remarketing tag fires and the engine adds the customer to its remarketing list. Learn more about cross-channel remarketing in Search Ads 360.