sfp_api_laravel_serprati/app/Http/Resources/StoreItemVariationResource.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class StoreItemVariationResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        return [
            'id'              => $this->id,
            'variation_type'  => $this->variation_type,
            'variation_label' => $this->variation_label,
            'variation_value' => $this->variation_value,
            'stock'           => $this->stock ?? 0,
        ];
    }
}