I want to know where is external.php can found in VBulletin. I want to see the code and create a similar file. Actually I want to get list of all the Forums and sub forums from vBulletin and make an xml. Then I would like to call it on an external PHP page.

Would like to get something like this on an external page

Forum Name | Views:10 | Last post by  

Forum Name | Views:10 | Last post by  

Forum Name | Views:10 | Last post by  

Forum Name | Views:10 | Last post by  

Forum Name | Views:10 | Last post by  

Thanks.