'Create a new NewSigningKeyInstance
:param unicode friendly_name: The friendly_name
:returns: Newly created NewSigningKeyInstance
:rtype: twilio.rest.api.v2010.account.new_signing_key.NewSigningKeyInstance'

def create(self, friendly_name=values.unset):

    data = values.of({'FriendlyName': friendly_name})
    payload = self._version.create('POST', self._uri, data=data)
    return NewSigningKeyInstance(self._version, payload, account_sid=self._solution['account_sid'])
