Help with HAPI and HDALC Parameters: Exporting as FBX or GEO

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I want to use HAPI to set parameters for an HDALC and export it as an FBX or GEO file. When I use the Apprentice version of HAPI, I can successfully export a GEO file but not an FBX file. However, when I use the Indie or commercial version of Houdini, regardless of whether I export an FBX or GEO file, the points and primitives inside are empty.

The function I'm using is hapi.saveGeoToFile(session, node_id, args.output + ".bgeo"), and this function always returns True.
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