OK Do you have one or several common data colums on your resources ?If yes, define it as an additionnal data in both queries with same alias (crucial point ) and use that field as a reconcialiation keyAurélien

Hello Alice,"two queries with different profile"  => you mean 2 queries defined on distinct resource (see image below)Or 2 queries with same resource ?Aurélien

Hi Alice,As mentioned by Florent, two queries going into union activity must come from same ressource.But, it's possible to join 2 activities from different ressource, supposing you have a common field Define an additional data in both ressources with same aliasUse that field with "selection of colu...