how to use "where_not_in"function?

[Noushid]

how to use where_not_in"function ?
i have tried this $this->model->where_not_in('name',$names)->get_all();
but i got an error? How to fix this or use this function.

[salain]

$this->model->where('field_name',$value_array,NULL,NULL,TRUE)->get_all();