CA with 2 nsf files

I would like to wire 2 nsf files.test1.nsf has a view with an articlenumber field

test2.nsf has a view with an articlenumber field and another field.

I would like to make a composite application : select the article number in the first view (from test1.nsf) and getting the resulting field of test2.nsf

I must be missing something because when selecting an article number in the first one , nothing happens in the second one.

I wired them with the articlenumber field.

I’ve been looking at the wiki but …