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

<?php

namespace App\Http\Resources;


use Illuminate\Http\Resources\Json\JsonResource;

class QuestionnaireSetsResource extends JsonResource
{
     /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        return [
            'id' => $this->id,
            'name' => $this->name,
            'description' => $this->description,
            'group' => explode(',', $this->group),
            'version' => $this->version,
        ];
    }
}