shipping-portal/app/Models/ContainerPackingList.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\MorphMany;

class ContainerPackingList extends AbstractModel
{
    use SoftDeletes;

    protected $table = 'container_packing_lists';

    public function packingList(): HasMany
    {
        return $this->hasMany(PackingList::class, 'packing_list_id', 'id');
    }

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