- Set up a Custom Dimension in Google Analytics
- It is not possible to pass conversion attributes
- Set up a custom Floodlight variable in Google Tag Manager
- Set up a custom Floodlight variable as a dimension in Search Ads 360
Correct answers are: Set up a custom Floodlight variable in Google Tag Manager and Set up a custom Floodlight variable as a dimension in Search Ads 360
Explanation: If you use Floodlight activities to track conversions, you can add details to your Search Ads 360 reports that are unique to your business needs. Google Tag Manager makes it easy to maintain tags on your site. Instead of adding and updating tags directly on your site, you add and update them in Google Tag Manager. Google Tag Manager then outputs properly formatted tags on your site as needed.
Read more here: https://support.google.com/searchads/answer/7551951