separatoraction.php

См. документацию.

<?php
 
namespace Bitrix\Main\Grid\Row\Action;
 
use Bitrix\Main\HttpRequest;
use Bitrix\Main\Result;

final class SeparatorAction implements Action
{
    public static function getId(): ?string
    {
        return null;
    }
 
    public function processRequest(HttpRequest $request): ?Result
    {
        return null;
    }
 
    public function getControl(array $rawFields): array
    {
        return [
            'SEPARATOR' => true,
        ];
    }
}