o3de/Gems/WhiteBox/Registry/AssetProcessorGemConfig.setreg

{
    "Amazon": {
        "AssetProcessor": {
            "Settings": {
                "RC WhiteBoxMesh": {
                    "glob": "*.wbm",
                    "params": "copy",
                    "productAssetType": "{6784304A-4ED6-42FD-A5C9-316265F071F2}"
                }
            }
        }
    }
}