"""
Twilio SMS platform for notify component.

For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/notify.twilio_sms/
"""
import logging

from homeassistant.components.notify import (
    ATTR_TARGET, DOMAIN, BaseNotificationService)
from homeassistant.helpers import validate_config

_LOGGER = logging.getLogger(__name__)
REQUIREMENTS = ["twilio==5.4.0"]

CONF_ACCOUNT_SID = "account_sid"
CONF_AUTH_TOKEN = "auth_token"
CONF_FROM_NUMBER = "from_number"


def get_service(hass, config):
    """Get the Twilio SMS notification service."""
    if not validate_config({DOMAIN: config},
                           {DOMAIN: [CONF_ACCOUNT_SID,
                                     CONF_AUTH_TOKEN,
                                     CONF_FROM_NUMBER]},
                           _LOGGER):
        return None

    # pylint: disable=import-error
    from twilio.rest import TwilioRestClient

    twilio_client = TwilioRestClient(config[CONF_ACCOUNT_SID],
                                     config[CONF_AUTH_TOKEN])

    return TwilioSMSNotificationService(twilio_client,
                                        config[CONF_FROM_NUMBER])


# pylint: disable=too-few-public-methods
class TwilioSMSNotificationService(BaseNotificationService):
    """Implement the notification service for the Twilio SMS service."""

    def __init__(self, twilio_client, from_number):
        """Initialize the service."""
        self.client = twilio_client
        self.from_number = from_number

    def send_message(self, message="", **kwargs):
        """Send SMS to specified target user cell."""
        targets = kwargs.get(ATTR_TARGET)

        if not targets:
            _LOGGER.info("At least 1 target is required")
            return

        if not isinstance(targets, list):
            targets = [targets]

        for target in targets:
            self.client.messages.create(to=target, body=message,
                                        from_=self.from_number)

@@ -191,16 +191,95 @@
 ogging%0A%0A
+import voluptuous as vol%0A%0Aimport homeassistant.helpers.config_validation as cv%0A
 from hom
@@ -333,22 +333,31 @@
 TARGET, 
-DOMAIN
+PLATFORM_SCHEMA
 , BaseNo
@@ -378,58 +378,8 @@
 ice)
-%0Afrom homeassistant.helpers import validate_config
 %0A%0A_L
@@ -448,16 +448,17 @@
 .4.0%22%5D%0A%0A
+%0A
 CONF_ACC
@@ -551,359 +551,300 @@
 r%22%0A%0A
-%0Adef get_service(hass, config):%0A    %22%22%22Get the Twilio SMS notification service.%22%22%22%0A    if not validate_config(%7BDOMAIN: config%7D,%0A                           %7BDOMAIN: %5BCONF_ACCOUNT_SID,%0A                                     CONF_AUTH_TOKEN,%0A                                     CONF_FROM_NUMBER%5D%7D,%0A                           _LOGGER):%0A        return None%0A
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(%7B%0A    vol.Required(CONF_ACCOUNT_SID): cv.string,%0A    vol.Required(CONF_AUTH_TOKEN): cv.string,%0A    vol.Required(CONF_FROM_NUMBER): vol.Match(r%22%5E%5C+?%5B1-9%5D%5Cd%7B1,14%7D$%22),%0A%7D)%0A%0A%0Adef get_service(hass, config):%0A    %22%22%22Get the Twilio SMS notification service.%22%22%22
 %0A   

Use voluptuous for twilio (#3134)