integrate form in others froms in Symfony2

Question

I have a simple question about form in Symfony2,how to integrate a form in other forms when I want to,the way to declare it?

My form is just a multiselect field and I want to use it in others forms,also I don't want to use it with :

{{ form_widget(form.multiselectform) }}

Answer 1

You can embed forms within other forms. See the Cookbook page on this subject.