Torque3D/Templates/Full/buildFiles/config/projectCode.conf

<?php

   // This file is used to add your project specific code to the Torque 3D Game Engine
   
   // by default we add the project's source folders recursively
   addSrcDir('../source', true);

   // Here is an example of how to include your project specific code 
   // In this case all the code in the "custom" folder in your project's source directory would be added
   // addSrcDir('../source/custom');

   includeModule("BadBehavior");
?>