belongsTo(User::class, 'user_id'); // user_id -> users.id } public function tes() { return $this->hasMany(Tes::class, 'siswa_id'); // siswa_id di tes -> siswa.id } public function tesTerakhir() { return $this->hasOne(Tes::class, 'siswa_id')->latestOfMany(); } }