.m5 format post processor made by Autodesk If you were to start everything over, start from this. It is a 'generic' LabVolt postprocessor made by Autodesk's software engineers. It is very close, but needs some tweaks, hence this project.
Autodesk CAM Post Processor API This is the JavaScript API that Fusion uses to generate G code from your post. It has some examples and a complete list of all classes and functions with somewhat brief comments.
Post Processor Training Guide from Autodesk Shows you how to use debugging features to assist your development, gives good advice and helpful examples.
Most working commands are documented in commands.md