the relation is not appending to the model in laravel

Question

i want to append a relation to my model in laravel i know its possible with resource but i need it to be appened to model so here its like below what i do:

 protected $appends = ['accommodation_rooms'];
    public function getAccommodationRoomsAttribute(){
        return $this->accommodationRooms();
    }

and my relation is:

 public function accommodationRooms()
    {
        return $this->Hasmany(AccommodationRoom::class);
    }

but when i run my api it returns null but when i call the relation it has the relation and it has no problem. any idea what i am doing wrong??

EDIT

  $data = Accommodation::with('city', 'accommodationFacilities', 'gallery')
            ->where('is_deleted', 0)->Paginate(env('PAGINATE_NUMBER'));
        return $data;

Answer 1

return $this->accommodationRooms() will return an instance of query builder. That is probably why it was showing empty.

Change it to

public function getAccommodationRoomsAttribute(){
    return $this->accommodationRooms;
}

Answer 2

Call it without ()

public function getAccommodationRoomsAttribute(){
    return $this->accommodation_rooms;
}

And update your relation to:

 public function accommodationRooms()
    {
        return $this->hasMany(AccommodationRoom::class);
    }

And make sure you have accommodation_id column in your accommodation_rooms table