'Laravel request validation with arrays

How can I make a field required if another one is filled?

In html form there is an element product[sale_percent][0] and if it is filled than product[sale_type][0] is required. I have multiple of them and each one is required respectively (for example - [0] for [0], [1] for [1])

In validation rules I've tried

 public function rules(): array
 {
    $modifications = [
        ...
        'product.sale_percent.*' => ['required_with:product.sale_type.*'],
    ];

But it doesn't work. How can I solve the problem?

laravel validation

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'Laravel request validation with arrays

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