How to integrate external html

[christian8a]

How do I integrate a html or a php file taht is not a part of vbulletin? is there a guide that helps with this?

The file is hosted on my site also but is a different file but i want it to have header and footer like my site

[blind-eddie]

<a href="https://vborg.vbsupport.ru/showthread.php?t=62164&highlight=integrate+html" target="_blank">How to create your own vBulletin-powered page! (uses vB templates)</a>