Help with custom textures.

I’m trying to put custom textures in a darkrp hud I have the vtf+vmt files but the annoying part is i can’t find the info anywhere on the Wiki since it got deleted.
Could anyone help me please?

The Old Wiki: http://maurits.tv/data/garrysmod/wiki/wiki.garrysmod.com/index4875.html?title=Main_Page

Thankyou