forallcheckboxaction.php

См. документацию.

<?php
 
namespace Bitrix\Main\Grid\Panel\Action;
 
use Bitrix\Main\Filter\Filter;
use Bitrix\Main\Grid\Panel\Snippet;
use Bitrix\Main\HttpRequest;
use Bitrix\Main\Result;
 
final class ForAllCheckboxAction implements Action
{
    public static function getId(): string
    {
        return 'for_all_checkbox';
    }
 
    public function getControl(): ?array
    {
        return (new Snippet)->getForAllCheckbox();
    }
 
    public function processRequest(HttpRequest $request, bool $isSelectedAllRows, ?Filter $filter): ?Result
    {
        // pass
        return null;
    }
}