shipping-portal/app/Models/PackingListPackage.php

<?php

namespace App\Models;

use Eloquent;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Query\Builder;
use Spatie\Activitylog\Models\Activity;

/**
 * App\Models\PackingListPackage
 *
 * @property-read Collection|Activity[] $activities
 * @property-read int|null $activities_count
 * @property-read Model|Eloquent $causer
 * @property-read Package|null $package
 * @property-read PackingList|null $packageList
 * @property-read Model|Eloquent $subject
 * @property-read Model|Eloquent $target
 * @method static \Illuminate\Database\Eloquent\Builder|PackingListPackage newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|PackingListPackage newQuery()
 * @method static Builder|PackingListPackage onlyTrashed()
 * @method static \Illuminate\Database\Eloquent\Builder|PackingListPackage query()
 * @method static Builder|PackingListPackage withTrashed()
 * @method static Builder|PackingListPackage withoutTrashed()
 * @mixin Eloquent
 */
class PackingListPackage  extends AbstractModel
{
    use SoftDeletes;

    protected $table = 'packing_list_packages';

    public function package(): BelongsTo
    {
        return $this->BelongsTo(Package::class, 'package_id', 'id');
    }

    public function packageList(): BelongsTo
    {
        return $this->BelongsTo(PackingList::class, 'packing_list_id', 'id');
    }
}