a question with nestedsetbehavior

I used this extension nestedsetbehavior:

http://www.yiiframework.com/extension/nestedsetbehavior

I want to creat a root nodes.

The example:




$root=new Root;

$root->title='Mobile Phones';

$root->saveNode();

$root=new Root;

$root->title='Cars';

$root->saveNode();



But I don`t know where is the Root class!!!

can you give me a example about it how to creat a root nodes.

Thank you ! :mellow:

I have EXACTLY the same question!Where is the Root class????

Root class should be your model class.