def create(self, to, channel, custom_message=values.unset):
        """
        Create a new VerificationInstance

        :param unicode to: To phonenumber
        :param unicode channel: sms or call
        :param unicode custom_message: A custom message for this verification

        :returns: Newly created VerificationInstance
        :rtype: twilio.rest.preview.acc_security.service.verification.VerificationInstance
        """
        data = values.of({'To': to, 'Channel': channel, 'CustomMessage': custom_message, })

        payload = self._version.create(
            'POST',
            self._uri,
            data=data,
        )

        return VerificationInstance(self._version, payload, service_sid=self._solution['service_sid'], )
Create a new VerificationInstance

        :param unicode to: To phonenumber
        :param unicode channel: sms or call
        :param unicode custom_message: A custom message for this verification

        :returns: Newly created VerificationInstance
        :rtype: twilio.rest.preview.acc_security.service.verification.VerificationInstance