php - Laravel 4 : How to combine where and with in eloquent ORM -

i want json logged in user checklist(s). how combine ::where , ::with?

this gives me logged in user:

$user = user::where('user_id', '=', auth::user()->user_id)->get();

this gives me users , checklist(s):

$user = user::with('checklists')->get();

user::with() return eloquent query object,

$user = user::with('checklists')     ->where('user_id', '=', auth::user()->user_id)     ->get();

O9