Go to Redirecting... and start creating a new ad. On the 3rd page in the ad creation process, you’ll come across the following settings. Pick Carousel and fill out the required fields.
You can’t do it in any other way, only as an ad.
Go to Redirecting... and start creating a new ad. On the 3rd page in the ad creation process, you’ll come across the following settings. Pick Carousel and fill out the required fields.