portal/app/Models/TransportArrangement.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Relations\MorphTo;
use Illuminate\Database\Eloquent\SoftDeletes;

class Transport extends AbstractModel
{
    use SoftDeletes;

    protected $table = 'schedules';

    /**
     * @return MorphMany
     */
    public function schedule(): morphMany
    {
        return $this->morphMany(Schdule::class, 'owner');
    }
}