Sometimes, you might run a test where it wouldn't make sense for certain assets to be paired with others.

For example, let's say you work for a hotel chain. There's a "Buy 3, Get 1 Free" deal with Miami and Austin, but a different deal with New York and Philadelphia. For each version, there's a photo of that city's skyline.

Since there are different sales in those cities, you want to make sure you don't have the wrong sale messaging matching with one of the city skylines.

You could run them as separate tests, or you could create one Experiment and use Combo Variant Groups.

What are Combo Variant Groups, exactly?

They are a way of grouping different assets together to have some control over how assets are paired together in ad versions, should you need that.

This grouping of different assets ensures they're only matched with each other in your final versions.

In our example, you'd make a Combo Variant Group that has the Buy 3, Get 1 Free ad copy, and the photos you're using of the Austin skyline and the Miami skyline.

You'd then make a separate Combo Variant Group for the other deal that only will be paired to the New York and Philadelphia photos.

How To Make a Combo Variant Group

When you're in the "Add Variants" section in the Ad Builder (aka, Variant Mode), click and hold on the little dots handle of a variant - this is a handle so you can drag it.

Drag the variant into the existing variant group to pair them together as a combo group. You can see how this is done in the animation below.

Let's say in our example above there simply isn't a deal running for NYC and Philly, so you just want no in-ad copy to show with those. In that case, you'd create an empty variant.

To do this, click on "Add a new variant", to create a pair of empty variants.

You can then drag and drop your assets in the appropriate Variant Combo Group.

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