files represent 3D models (drawables). Since you cannot easily edit these binary files directly, modders export them as OpenFormats XML using tools like CodeWalker . Once in XML format, you can: Edit model properties and shaders in a text editor.
XML is a markup language designed to store and transport data. It is both human-readable and machine-readable. Unlike HTML, which has predefined tags, XML allows users to define their own tags. A typical XML file looks like this: Xml To Ydr LINK