Thanks !
So this is what I did :

with the actual databse :

But in preview mode this is what I got :
I wonder how can I get no only the first name (inside filter tree → $and → 0) but also the others data from this contact (email, number …)
Thanks !
So this is what I did :

with the actual databse :

But in preview mode this is what I got :
I wonder how can I get no only the first name (inside filter tree → $and → 0) but also the others data from this contact (email, number …)