CControllerClient::SetOptionString

static function SetOptionString($module_id, $option_id, $value)
{
	$arBackup = CControllerClient::GetBackup();
	if(!is_set($arBackup["options"][$module_id], $option_id))
	{
		$arBackup["options"][$module_id][$option_id] = COption::GetOptionString($module_id, $option_id, "");
		CControllerClient::SetBackup($arBackup);
	}
	COption::SetOptionString($module_id, $option_id, $value);
}