si-klinik/sk-klinik.my.id/app/Models/Doctor.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Doctor extends Model
{
    protected $fillable = [
        'name',
        'specialization',
        'phone',
        'email',
        'schedule',
        'photo',
    ];

    protected $casts = [
        'schedule' => 'array',
    ];
}