einundzwanzig-verein/app/Models/Election.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Election extends Model
{
    use HasFactory;

    protected $guarded = [];

    protected function casts(): array
    {
        return [
            'end_time' => 'datetime',
            'candidates' => 'array',
        ];
    }
}