IblockSettings::__construct

public function __construct(array $params)
{
	parent::__construct($params);

	$this->iblockId = $params['IBLOCK_ID'] ?? 0;
	if ($this->iblockId === 0)
	{
		throw new ArgumentException('Collection does not contain value for iblock id.', 'params');
	}

	$this->init();
}