Webiny\Component\Entity\Attribute\Many2ManyAttribute::unlink PHP Метод

    public function unlink($item)
    {
        // Unlink item
        $deleted = $this->unlinkItem($item);
        // If values are already loaded - remove deleted item from loaded data set
        if (!$this->isNull($this->value)) {
            $this->value->removeItem($item);
        }
        return $deleted;
    }