exchange-2.0/app/Http/Resources/VoucherRedemptionResource.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class VoucherRedemptionResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        return [
            'id' => $this->id,
            'voucher_id' => $this->voucher_id,
            'transaction_id' => $this->transaction_id,
            'redemption_id' => $this->redemption_id,
            'value' => (float) $this->value
        ];
    }
}