The first step in a creating In App Message Content is to choose a template type. There are four different types of template for your In-App campaign, they are:
A/B testing can also be used with In-App campaigns.
Having selected the A/B testing checkbox in the startup tab, you can create an entirely unique message for every variant you have selected.
The example above demonstrates the differences possible between the messages in an A/B campaign.
Variant A is an In-App banner campaign.
Variant B is an In-App full screen campaign.
Variant C is an In-App modal view campaign.