This function is deprecated and does not return useful output.
uapi --output=jsonpretty \ --user=username \ Themes \ get_theme_base
{- "apiversion": 3,
- "func": "get_theme_base",
- "module": "Themes",
- "result": {
- "data": "jupiter",
- "errors": null,
- "messages": null,
- "metadata": { },
- "status": 1,
- "warnings": null
}
}