Documentation: https://doc.babylonjs.com/features/featuresDeepDive/Exporters/Maya

• Install Visual Studio (community editon works)
• Install Maya.

Use "RaiseMessage/Warning" methods to see if your code is working

• Close all running Maya instances.
• Build project with Admin-elevated instance of Visual Studio.
• Maya should be relaunched by the build system, run the exporter, the messages will be displayed in the exporter form.