FBXExportAxisConversionMethod [none|convertAnimation|addFbxRoot]
FBXExportAxisConversionMethod -q
This command lets you set an export conversion method. See Axis conversion for more information.
Adds a transformation node to the top of the scene to contain the transformations needed to transport the data into the new World system. This option facilitates backward compatibility as it generates the FBX file the same way as earlier releases of the plug-in.