star-cloud/app/Models/System/UiBundleItem.php

<?php

namespace App\Models\System;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class UiBundleItem extends Model
{
    use HasFactory;

    protected $fillable = [
        'ui_bundle_id',
        'part_key',
        'ui_element_id',
        'color_value',
    ];

    public function bundle()
    {
        return $this->belongsTo(UiBundle::class, 'ui_bundle_id');
    }

    public function element()
    {
        return $this->belongsTo(UiElement::class, 'ui_element_id');
    }
}