LeadSettings::enableLead

static function enableLead($enabled)
{
	$currentValue = \Bitrix\Main\Config\Option::get('crm', 'crm_lead_enabled', "");
	if ($currentValue === ($enabled ? "Y" : "N"))
		return true;

	$enabled = (bool)$enabled;
	if ($enabled)
	{
		ConversionSettings::getCurrent()->enableAutocreation(true);
	}

	\Bitrix\Main\Config\Option::set('crm', 'crm_lead_enabled', $enabled ? "Y" : "N");

	//clear menu settings
	\CUserOptions::DeleteOptionsByName("ui", "crm_control_panel_menu");
	if (\Bitrix\Main\Loader::includeModule("intranet"))
	{
		\CIntranetUtils::clearMenuCache();
	}

	return true;
}