%path = "desired/path/to/zipfile.zip/server.cs";
discoverFile(%path);
setModPaths(getModPaths());
exec(%path);
//If I was trying to load an add-on called System_Example and wanted to do server.cs, then I would set %path with "Add-Ons/System_Example/server.cs"
This is taboo if you are coding your own add-on.