How to use the bitbox02.bitbox02.BTCOutputExternal function in bitbox02

if addrtype == OnchainOutputType.P2PKH:
                    output_type = bitbox02.btc.P2PKH
                elif addrtype == OnchainOutputType.P2SH:
                    output_type = bitbox02.btc.P2SH
                elif addrtype == OnchainOutputType.WITVER0_P2WPKH:
                    output_type = bitbox02.btc.P2WPKH
                elif addrtype == OnchainOutputType.WITVER0_P2WSH:
                    output_type = bitbox02.btc.P2WSH
                else:
                    raise UserFacingException(
                        "Received unsupported output type during transaction signing: {} is not supported by the BitBox02".format(
                            addrtype
                        )
                    )
                outputs.append(
                    bitbox02.BTCOutputExternal(
                        output_type=output_type,
                        output_hash=pubkey_hash,
                        value=txout.value,
                    )
                )

        if type(wallet) is Standard_Wallet:
            keypath_account = full_path[:3]
        elif type(wallet) is Multisig_Wallet:
            keypath_account = full_path[:4]
        else:
            raise Exception(
                "BitBox02 does not support this wallet type: {}".format(type(wallet))
            )

        sigs = self.bitbox02_device.btc_sign(