I read a lot of topic that say that we must put a default view to allow the flag [INCLUDEDOCLINK] to work but each time I save (and send email), I came back to my default form. I have a $$return variable set to link to next page to be seen but it won’t show up.
The default view isn’t to determine where you return to after saving a form on the web; it’s part of the info endcoded into the doclink itself in the email.
Are you sure your $$return field is evaluating to what you think it is? It should be a computed text field that has a formula something like this: