There is 2 type of url you can add in top menu
1. Custom Url [With in whmcs pages]
2. Third Party Url [External links]
Note:- In custom URL There is no need to add full whmcs url script ill append automatically. If you add whmes url then it will appear double and cause page not found error.
1. If you need to add custom page url then you can simply add the page name like this or any other page which is within the whmcs instance .
2. If you are adding third party url or your frontend site url then you have to check the checkbox so that seript will not append the whmes url before it Which will cause page not found issue.
