Laravel order by hasmany relationship

Question

I have two eloquent models Threads and Comments , each thread hasMany comments.

While listing the threads, i need to order the threads by t

Answer 1

public function profiles()
{
    return $this->hasMany('Models\v1\Admin\UserProfile', 'user_id')->leftJoin('user_field', 'user_profile.user_field_id', '=', 'user_field.id')->orderBy('order');
}