izyim/app/Http/Resources/ShippingSchedule.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class ShippingSchedule extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        return [
            'ETD' => $this->ETD,
            'ETA' => $this->ETA,
            'status' => $this->status
        ];
    }
}