Hello again! So I posted the question to the guys at Kriesi and got this reply:
Open up /enfold/framework/php/class-form-generator.php and on line 625 you should see this.
//hook to stop execution here and do something different with the data
$proceed = apply_filters('avf_form_send', true, $new_post, $this->form_params);
The “avf_form_send” hook could probably work here.
Is this the hook you? (I know very little PHP so this is way over my head. So I hope you’ll have a little patience with me.)
Thank you!