My-KOPKB/be/Modules/MembershipApplication/Transformers/MembershipApplicationReferenceResource.php

<?php

namespace Modules\MembershipApplication\Transformers;

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

class MembershipApplicationReferenceResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        return [
            'id' => $this->id,
            'reference_type' => $this->reference_type?->value ?? $this->reference_type,
            'user_id' => $this->user_id,
            'member' => $this->whenLoaded('member', fn () => [
                'id' => $this->member->id,
                'name' => $this->member->name,
                'ic_number' => $this->member->ic_number,
            ]),
            'assigned_by' => $this->assigned_by,
            'assigned_at' => $this->assigned_at?->toISOString(),
        ];
    }
}