Extending Validation

use Lunar\Hub\Http\Livewire\Components\Products\ProductCreate;
use Lunar\Models\Product;

public function boot() {
    ProductCreate::extendValidation([
        'variant.sku' => ['required', 'min:8'],
        'collections' => ['required', 'array', function (Product $product) {
            return function ($attribute, $value, $fail) use (Product $product) {
                // closure validation
                $fail($product->translateAttribute('name') . " validation failed");
            };
        }],
    ]);
}