def to_dict(self, *args, **kwargs):
        if 'bank' in args[0] and not 'bank' in self.bank.capabilities:
            args[0].pop('bank')
        if 'provider' in args[0]:
            args[0].pop('provider')
            if not 'bank' in self.bank.capabilities:
                args[0]['bank'] = {}

        data = super(Connection, self).to_dict(*args, **kwargs)
        data['error_message'] = self.last_log.error_message if self.last_log else None
        if 'accounts' in data:
            data['balance'] = sum([acc['balance'] for acc in data['accounts']])

        if 'document' in self.bank.capabilities:
            data['id_provider'] = self.id_bank
        if not 'bank' in self.bank.capabilities:
            data.pop('id_bank')

        self.logger.error(str(data))
        return data