menuaction.php

См. документацию.

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

abstract class MenuAction implements Action
{
    protected ?string $className;
    protected ?string $title;

    final public static function getId(): ?string
    {
        return null;
    }

    final public function processRequest(HttpRequest $request): ?Result
    {
        return null;
    }

    abstract protected function getText(): string;

    abstract protected function getMenu(): array;

    public function getControl(array $rawFields): array
    {
        $result = [
            'TEXT' => $this->getText(),
            'MENU' => [],
        ];
 
        if (isset($this->className))
        {
            $result['ICONCLASS'] = $this->className;
        }
 
        if (isset($this->title))
        {
            $result['TITLE'] = $this->title;
        }
 
        foreach ($this->getMenu() as $subAction)
        {
            if ($subAction instanceof Action)
            {
                $control = $subAction->getControl($rawFields);
                if (isset($control))
                {
                    $result['MENU'][] = $control;
                }
            }
        }
 
        return $result;
    }
}