def register_multisig_file(self, multisig_file):
        """
        RPC call to register a new multisig wallet, which must contain the hw signer.
        A registration file is provided - as produced my several wallet apps.

        Parameters
        ----------
        multisig_file : string
            The multisig file as produced by several wallet apps.
            eg:
                Name: MainWallet
                Policy: 2 of 3
                Format: P2WSH
                Derivation: m/48'/0'/0'/2'

                B237FE9D: xpub6E8C7BX4c7qfTsX7urnXggcAyFuhDmYLQhwRwZGLD9maUGWPinuc9k96ejhEQ1DCk...
                249192D2: xpub6EbXynW6xjYR3crcztum6KzSWqDJoAJQoovwamwVnLaCSHA6syXKPnJo6U3bVeGde...
                67F90FFC: xpub6EHuWWrYd8bp5FS1XAZsMPkmCqLSjpULmygWqAqWRCCjSWQwz6ntq5KnuQnL23No2...

    Returns
    -------
    bool
        True on success, implying the mutisig wallet can now be used.
    """
        params = {'multisig_file': multisig_file}
        return self._jadeRpc('register_multisig', params)

        RPC call to register a new multisig wallet, which must contain the hw signer.
        A registration file is provided - as produced my several wallet apps.

        Parameters
        ----------
        multisig_file : string
            The multisig file as produced by several wallet apps.
            eg:
                Name: MainWallet
                Policy: 2 of 3
                Format: P2WSH
                Derivation: m/48'/0'/0'/2'

                B237FE9D: xpub6E8C7BX4c7qfTsX7urnXggcAyFuhDmYLQhwRwZGLD9maUGWPinuc9k96ejhEQ1DCk...
                249192D2: xpub6EbXynW6xjYR3crcztum6KzSWqDJoAJQoovwamwVnLaCSHA6syXKPnJo6U3bVeGde...
                67F90FFC: xpub6EHuWWrYd8bp5FS1XAZsMPkmCqLSjpULmygWqAqWRCCjSWQwz6ntq5KnuQnL23No2...

    Returns
    -------
    bool
        True on success, implying the mutisig wallet can now be used.
    
electrum/plugins/jade/jadepy/jade.py