Thanks very much, after some tweaking and quite a bit of trial and error, have eventually managed to get both AB and XT firing as they should.

Hi, I'm running an XT targeting existing customers, but the remaining audience that isn't captured (who i'm assuming are new customers) I want to fall into a 50/50 split A/B test. Is this possible? I have an XT activity and A/B activity running separately trying to achieve this, but the A/B test jus...