trypost/app/Http/Requests/App/Workspace/UpdateWorkspaceRequest.php

<?php

namespace App\Http\Requests\App\Workspace;

use App\Rules\Timezone;
use Illuminate\Foundation\Http\FormRequest;

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

    public function rules(): array
    {
        return [
            'name' => ['required', 'string', 'max:255'],
            'timezone' => ['required', 'string', new Timezone],
        ];
    }

    public function messages(): array
    {
        return [
            'name.required' => 'The workspace name is required.',
            'name.max' => 'The workspace name must be at most 255 characters.',
            'timezone.required' => 'Please select a timezone.',
            'timezone.timezone' => 'Please select a valid timezone.',
        ];
    }
}