applicant-site/app/Http/Requests/admin/Catalog/UpdateEducationLevelRequest.php

<?php

namespace App\Http\Requests\admin\Catalog;

use Illuminate\Foundation\Http\FormRequest;

class UpdateEducationLevelRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        return [
            'name' => "required|string|max:255|unique:education_levels,name,{$this->education_level->id}",
            'description' => 'string',
            'slug' => "required|string|max:255|unique:education_levels,slug,{$this->education_level->id}",
        ];
    }
}