pdet_test/app/Models/Calendar.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Notifications\Notifiable;
use Laravel\Sanctum\HasApiTokens;

class Account extends Model
{
    use HasApiTokens, HasFactory, Notifiable;

    protected $primaryKey = 'id';
    protected $fillable = [
        'title',
        'start',
        'end',
        'allDay',
        'exempt_reason',
        'duration_unit',
        'timeFilterOption',
    ];
    public $timestamps = false;
}