removeaction.php

См. документацию.

<?php
 
namespace Bitrix\Main\Grid\Panel\Action;
 
use Bitrix\Main\Grid\Panel\Snippet;
use Bitrix\Main\HttpRequest;
 
abstract class RemoveAction implements Action
{
    public static function getId(): string
    {
        return 'remove';
    }
 
    public function getControl(): ?array
    {
        return (new Snippet)->getRemoveButton();
    }
 
    protected function getRequestRows(HttpRequest $request): ?array
    {
        $ids = $request->getPost('ID');
        if (!is_array($ids))
        {
            return null;
        }
 
        return $ids;
    }
}