.. index::
   single: Notifier

Creating and Sending Notifications

.. versionadded:: 5.0

    The Notifier component was introduced in Symfony 5.0.

Installation

Current web applications use many different channels to send messages to the users (e.g. SMS, Slack messages, emails, push notifications, etc.). The Notifier component in Symfony is an abstraction on top of all these channels. It provides a dynamic way to manage how the messages are sent. Get the Notifier installed using:

$ composer require symfony/notifier

Channels: Chatters, Texters, Email, Browser and Push

The notifier component can send notifications to different channels. Each channel can integrate with different providers (e.g. Slack or Twilio SMS) by using transports.

The notifier component supports the following channels:

:ref:`SMS channel <notifier-sms-channel>` sends notifications to phones via SMS messages;
:ref:`Chat channel <notifier-chat-channel>` sends notifications to chat services like Slack and Telegram;
:ref:`Email channel <notifier-email-channel>` integrates the :doc:`Symfony Mailer </mailer>`;
Browser channel uses :ref:`flash messages <flash-messages>`.
Push Channel sends notifications to phones and browsers via push notifications.

Tip

Use :doc:`secrets </configuration/secrets>` to securely store your API's tokens.

SMS Channel

Caution!

If any of the DSN values contains any character considered special in a URI (such as +, @, $, #, /, :, *, !), you must encode them. See RFC 3986 for the full list of reserved characters or use the :phpfunction:`urlencode` function to encode them.

The SMS channel uses :class:`Symfony\\Component\\Notifier\\Texter` classes to send SMS messages to mobile phones. This feature requires subscribing to a third-party service that sends SMS messages. Symfony provides integration with a couple popular SMS services:

Service	Package	DSN
AllMySms	`symfony/all-my-sms-notifier`	`allmysms://LOGIN:APIKEY@default?from=FROM`
AmazonSns	`symfony/amazon-sns-notifier`	`sns://ACCESS_KEY:SECRET_KEY@default?region=REGION`
Clickatell	`symfony/clickatell-notifier`	`clickatell://ACCESS_TOKEN@default?from=FROM`
Esendex	`symfony/esendex-notifier`	`esendex://USER_NAME:PASSWORD@default?accountreference=ACCOUNT_REFERENCE&from=FROM`
FakeSms	`symfony/fake-sms-notifier`	`fakesms+email://MAILER_SERVICE_ID?to=TO&from=FROM` or `fakesms+logger://default`
FreeMobile	`symfony/free-mobile-notifier`	`freemobile://LOGIN:PASSWORD@default?phone=PHONE`
GatewayApi	`symfony/gateway-api-notifier`	`gatewayapi://TOKEN@default?from=FROM`
Infobip	`symfony/infobip-notifier`	`infobip://AUTH_TOKEN@HOST?from=FROM`
Iqsms	`symfony/iqsms-notifier`	`iqsms://LOGIN:PASSWORD@default?from=FROM`
LightSms	`symfony/light-sms-notifier`	`lightsms://LOGIN:TOKEN@default?from=PHONE`
Mailjet	`symfony/mailjet-notifier`	`mailjet://TOKEN@default?from=FROM`
MessageBird	`symfony/message-bird-notifier`	`messagebird://TOKEN@default?from=FROM`
MessageMedia	`symfony/message-media-notifier`	`messagemedia://API_KEY:API_SECRET@default?from=FROM`
Mobyt	`symfony/mobyt-notifier`	`mobyt://USER_KEY:ACCESS_TOKEN@default?from=FROM`
Nexmo	`symfony/nexmo-notifier`	Abandoned in favor of Vonage (symfony/vonage-notifier).
Octopush	`symfony/octopush-notifier`	`octopush://USERLOGIN:APIKEY@default?from=FROM&type=TYPE`
OvhCloud	`symfony/ovh-cloud-notifier`	`ovhcloud://APPLICATION_KEY:APPLICATION_SECRET@default?consumer_key=CONSUMER_KEY&service_name=SERVICE_NAME`
Sendinblue	`symfony/sendinblue-notifier`	`sendinblue://API_KEY@default?sender=PHONE`
Sms77	`symfony/sms77-notifier`	`sms77://API_KEY@default?from=FROM`
Sinch	`symfony/sinch-notifier`	`sinch://ACCOUNT_ID:AUTH_TOKEN@default?from=FROM`
Smsapi	`symfony/smsapi-notifier`	`smsapi://TOKEN@default?from=FROM`
SmsBiuras	`symfony/sms-biuras-notifier`	`smsbiuras://UID:API_KEY@default?from=FROM&test_mode=0`
Smsc	`symfony/smsc-notifier`	`smsc://LOGIN:PASSWORD@default?from=FROM`
SpotHit	`symfony/spot-hit-notifier`	`spothit://TOKEN@default?from=FROM`
Telnyx	`symfony/telnyx-notifier`	`telnyx://API_KEY@default?from=FROM&messaging_profile_id=MESSAGING_PROFILE_ID`
TurboSms	`symfony/turbo-sms-notifier`	`turbosms://AUTH_TOKEN@default?from=FROM`
Twilio	`symfony/twilio-notifier`	`twilio://SID:TOKEN@default?from=FROM`
Vonage	`symfony/vonage-notifier`	`vonage://KEY:SECRET@default?from=FROM`
Yunpian	`symfony/yunpian-notifier`	`yunpian://APIKEY@default`

.. versionadded:: 5.1

    The OvhCloud, Sinch and FreeMobile integrations were introduced in Symfony 5.1.

.. versionadded:: 5.2

    The Smsapi, Infobip, Mobyt, Esendex and Sendinblue integrations were introduced in Symfony 5.2.

.. versionadded:: 5.3

    The Iqsms, GatewayApi, Octopush, AllMySms, Clickatell, SpotHit, FakeSms (email), LightSms, SmsBiuras
    and MessageBird integrations were introduced in Symfony 5.3.

.. deprecated:: 5.4

    The Nexmo integration was deprecated in Symfony 5.4, use the Vonage integration instead.

.. versionadded:: 5.4

    The MessageMedia, Smsc, Yunpian, AmazonSns, Telnyx, TurboSms, Mailjet, FakeSms (logger),
    Sms77 and Vonage integrations were introduced in Symfony 5.4.

To enable a texter, add the correct DSN in your .env file and configure the texter_transports:

# .env
TWILIO_DSN=twilio://SID:TOKEN@default?from=FROM

.. configuration-block::

    .. code-block:: yaml

        # config/packages/notifier.yaml
        framework:
            notifier:
                texter_transports:
                    twilio: '%env(TWILIO_DSN)%'

    .. code-block:: xml

        <!-- config/packages/notifier.xml -->
        <?xml version="1.0" encoding="UTF-8" ?>
        <container xmlns="http://symfony.com/schema/dic/services"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:framework="http://symfony.com/schema/dic/symfony"
            xsi:schemaLocation="http://symfony.com/schema/dic/services
                https://symfony.com/schema/dic/services/services-1.0.xsd
                http://symfony.com/schema/dic/symfony
                https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

            <framework:config>
                <framework:notifier>
                    <framework:texter-transport name="twilio">
                        %env(TWILIO_DSN)%
                    </framework:texter-transport>
                </framework:notifier>
            </framework:config>
        </container>

    .. code-block:: php

        // config/packages/notifier.php
        use Symfony\Config\FrameworkConfig;

        return static function (FrameworkConfig $framework) {
            $framework->notifier()
                ->texterTransport('twilio', env('TWILIO_DSN'))
            ;
        };

Chat Channel

Caution!

If any of the DSN values contains any character considered special in a URI (such as +, @, $, #, /, :, *, !), you must encode them. See RFC 3986 for the full list of reserved characters or use the :phpfunction:`urlencode` function to encode them.

The chat channel is used to send chat messages to users by using :class:`Symfony\\Component\\Notifier\\Chatter` classes. Symfony provides integration with these chat services:

Service	Package	DSN
AmazonSns	`symfony/amazon-sns-notifier`	`sns://ACCESS_KEY:SECRET_KEY@default?region=REGION`
Discord	`symfony/discord-notifier`	`discord://TOKEN@default?webhook_id=ID`
FakeChat	`symfony/fake-chat-notifier`	`fakechat+email://default?to=TO&from=FROM` or `fakechat+logger://default`
Firebase	`symfony/firebase-notifier`	`firebase://USERNAME:PASSWORD@default`
Gitter	`symfony/gitter-notifier`	`gitter://TOKEN@default?room_id=ROOM_ID`
GoogleChat	`symfony/google-chat-notifier`	`googlechat://ACCESS_KEY:ACCESS_TOKEN@default/SPACE?thread_key=THREAD_KEY`
LinkedIn	`symfony/linked-in-notifier`	`linkedin://TOKEN:USER_ID@default`
Mattermost	`symfony/mattermost-notifier`	`mattermost://ACCESS_TOKEN@HOST/PATH?channel=CHANNEL`
Mercure	`symfony/mercure-notifier`	`mercure://HUB_ID?topic=TOPIC`
MicrosoftTeams	`symfony/microsoft-teams-notifier`	`microsoftteams://default/PATH`
RocketChat	`symfony/rocket-chat-notifier`	`rocketchat://TOKEN@ENDPOINT?channel=CHANNEL`
Slack	`symfony/slack-notifier`	`slack://TOKEN@default?channel=CHANNEL`
Telegram	`symfony/telegram-notifier`	`telegram://TOKEN@default?channel=CHAT_ID`
Zulip	`symfony/zulip-notifier`	`zulip://EMAIL:TOKEN@HOST?channel=CHANNEL`

.. versionadded:: 5.1

    The Firebase, Mattermost and RocketChat integrations were introduced in Symfony
    5.1. The Slack DSN changed in Symfony 5.1 to use Slack Incoming
    Webhooks instead of legacy tokens.

.. versionadded:: 5.2

    The GoogleChat, LinkedIn, Zulip and Discord integrations were introduced in Symfony 5.2.
    The Slack DSN changed in Symfony 5.2 to use Slack Web API again same as in 5.0.

.. versionadded:: 5.3

    The Gitter, Mercure, FakeChat (email) and Microsoft Teams integrations were introduced in Symfony 5.3.

.. versionadded:: 5.4

    The AmazonSns and FakeChat (logger) integrations were introduced in Symfony 5.4.

Chatters are configured using the chatter_transports setting:

# .env
SLACK_DSN=slack://TOKEN@default?channel=CHANNEL

.. configuration-block::

    .. code-block:: yaml

        # config/packages/notifier.yaml
        framework:
            notifier:
                chatter_transports:
                    slack: '%env(SLACK_DSN)%'

    .. code-block:: xml

        <!-- config/packages/notifier.xml -->
        <?xml version="1.0" encoding="UTF-8" ?>
        <container xmlns="http://symfony.com/schema/dic/services"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:framework="http://symfony.com/schema/dic/symfony"
            xsi:schemaLocation="http://symfony.com/schema/dic/services
                https://symfony.com/schema/dic/services/services-1.0.xsd
                http://symfony.com/schema/dic/symfony
                https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

            <framework:config>
                <framework:notifier>
                    <framework:chatter-transport name="slack">
                        %env(SLACK_DSN)%
                    </framework:chatter-transport>
                </framework:notifier>
            </framework:config>
        </container>

    .. code-block:: php

        // config/packages/notifier.php
        use Symfony\Config\FrameworkConfig;

        return static function (FrameworkConfig $framework) {
            $framework->notifier()
                ->chatterTransport('slack', env('SLACK_DSN'))
            ;
        };

Email Channel

The email channel uses the :doc:`Symfony Mailer </mailer>` to send notifications using the special :class:`Symfony\\Bridge\\Twig\\Mime\\NotificationEmail`. It is required to install the Twig bridge along with the Inky and CSS Inliner Twig extensions:

$ composer require symfony/twig-pack twig/cssinliner-extra twig/inky-extra

After this, :ref:`configure the mailer <mailer-transport-setup>`. You can also set the default "from" email address that should be used to send the notification emails:

.. configuration-block::

    .. code-block:: yaml

        # config/packages/mailer.yaml
        framework:
            mailer:
                dsn: '%env(MAILER_DSN)%'
                envelope:
                    sender: 'notifications@example.com'

    .. code-block:: xml

        <!-- config/packages/mailer.xml -->
        <?xml version="1.0" encoding="UTF-8" ?>
        <container xmlns="http://symfony.com/schema/dic/services"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:framework="http://symfony.com/schema/dic/symfony"
            xsi:schemaLocation="http://symfony.com/schema/dic/services
                https://symfony.com/schema/dic/services/services-1.0.xsd
                http://symfony.com/schema/dic/symfony
                https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

            <framework:config>
                <framework:mailer
                    dsn="%env(MAILER_DSN)%"
                >
                    <framework:envelope
                        sender="notifications@example.com"
                    />
                </framework:mailer>
            </framework:config>
        </container>

    .. code-block:: php

        // config/packages/mailer.php
        use Symfony\Config\FrameworkConfig;

        return static function (FrameworkConfig $framework) {
            $framework->mailer()
                ->dsn(env('MAILER_DSN'))
                ->envelope()
                    ->sender('notifications@example.com')
            ;
        };

Push Channel

Caution!

If any of the DSN values contains any character considered special in a URI (such as +, @, $, #, /, :, *, !), you must encode them. See RFC 3986 for the full list of reserved characters or use the :phpfunction:`urlencode` function to encode them.

The push channel is used to send notifications to users by using :class:`Symfony\\Component\\Notifier\\Texter` classes. Symfony provides integration with these push services:

Service	Package	DSN
Firebase	`symfony/firebase-notifier`	`firebase://USERNAME:PASSWORD@default`
Expo	`symfony/expo-notifier`	`expo://Token@default`
OneSignal	`symfony/one-signal-notifier`	`onesignal://APP_ID:API_KEY@default?defaultRecipientId=DEFAULT_RECIPIENT_ID''`

.. versionadded:: 5.4

    The Expo and OneSignal integrations were introduced in Symfony 5.4.

To enable a texter, add the correct DSN in your .env file and configure the texter_transports:

# .env
EXPO_DSN=expo://TOKEN@default

.. configuration-block::

    .. code-block:: yaml

        # config/packages/notifier.yaml
        framework:
            notifier:
                texter_transports:
                    expo: '%env(EXPO_DSN)%'

    .. code-block:: xml

        <!-- config/packages/notifier.xml -->
        <?xml version="1.0" encoding="UTF-8" ?>
        <container xmlns="http://symfony.com/schema/dic/services"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:framework="http://symfony.com/schema/dic/symfony"
            xsi:schemaLocation="http://symfony.com/schema/dic/services
                https://symfony.com/schema/dic/services/services-1.0.xsd
                http://symfony.com/schema/dic/symfony
                https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

            <framework:config>
                <framework:notifier>
                    <framework:texter-transport name="expo">
                        %env(EXPO_DSN)%
                    </framework:texter-transport>
                </framework:notifier>
            </framework:config>
        </container>

    .. code-block:: php

        // config/packages/notifier.php
        use Symfony\Config\FrameworkConfig;

        return static function (FrameworkConfig $framework) {
            $framework->notifier()
                ->texterTransport('expo', env('EXPO_DSN'))
            ;
        };

Configure to use Failover or Round-Robin Transports

Besides configuring one or more separate transports, you can also use the special || and && characters to implement a failover or round-robin transport:

.. configuration-block::

    .. code-block:: yaml

        # config/packages/notifier.yaml
        framework:
            notifier:
                chatter_transports:
                    # Send notifications to Slack and use Telegram if
                    # Slack errored
                    main: '%env(SLACK_DSN)% || %env(TELEGRAM_DSN)%'

                    # Send notifications to the next scheduled transport calculated by round robin
                    roundrobin: '%env(SLACK_DSN)% && %env(TELEGRAM_DSN)%'

    .. code-block:: xml

        <!-- config/packages/notifier.xml -->
        <?xml version="1.0" encoding="UTF-8" ?>
        <container xmlns="http://symfony.com/schema/dic/services"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:framework="http://symfony.com/schema/dic/symfony"
            xsi:schemaLocation="http://symfony.com/schema/dic/services
                https://symfony.com/schema/dic/services/services-1.0.xsd
                http://symfony.com/schema/dic/symfony
                https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

            <framework:config>
                <framework:notifier>
                    <!-- Send notifications to Slack and use Telegram if
                         Slack errored -->
                    <framework:chatter-transport name="slack">
                        %env(SLACK_DSN)% || %env(TELEGRAM_DSN)%
                    </framework:chatter-transport>

                    <!-- Send notifications to the next scheduled transport
                         calculated by round robin -->
                    <framework:chatter-transport name="slack"><![CDATA[
                        %env(SLACK_DSN)% && %env(TELEGRAM_DSN)%
                    ]]></framework:chatter-transport>
                </framework:notifier>
            </framework:config>
        </container>

    .. code-block:: php

        // config/packages/notifier.php
        use Symfony\Config\FrameworkConfig;

        return static function (FrameworkConfig $framework) {
            $framework->notifier()
                // Send notifications to Slack and use Telegram if
                // Slack errored
                ->chatterTransport('main', env('SLACK_DSN').' || '.env('TELEGRAM_DSN'))

                // Send notifications to the next scheduled transport calculated by round robin
                ->chatterTransport('roundrobin', env('SLACK_DSN').' && '.env('TELEGRAM_DSN'))
            ;
        };

Creating & Sending Notifications

To send a notification, autowire the :class:`Symfony\\Component\\Notifier\\NotifierInterface` (service ID notifier). This class has a send() method that allows you to send a :class:`Symfony\\Component\\Notifier\\Notification\\Notification` to a :class:`Symfony\\Component\\Notifier\\Recipient\\Recipient`:

// src/Controller/InvoiceController.php
namespace App\Controller;

use Symfony\Component\Notifier\Notification\Notification;
use Symfony\Component\Notifier\NotifierInterface;
use Symfony\Component\Notifier\Recipient\Recipient;

class InvoiceController extends AbstractController
{
    #[Route('/invoice/create')]
    public function create(NotifierInterface $notifier)
    {
        // ...

        // Create a Notification that has to be sent
        // using the "email" channel
        $notification = (new Notification('New Invoice', ['email']))
            ->content('You got a new invoice for 15 EUR.');

        // The receiver of the Notification
        $recipient = new Recipient(
            $user->getEmail(),
            $user->getPhonenumber()
        );

        // Send the notification to the recipient
        $notifier->send($notification, $recipient);

        // ...
    }
}

The Notification is created by using two arguments: the subject and channels. The channels specify which channel (or transport) should be used to send the notification. For instance, ['email', 'sms'] will send both an email and sms notification to the user.

The default notification also has a content() and emoji() method to set the notification content and icon.

Symfony provides the following recipients:

:class:`Symfony\\Component\\Notifier\\Recipient\\NoRecipient`: This is the default and is useful when there is no need to have information about the receiver. For example, the browser channel uses the current requests' :ref:`session flashbag <flash-messages>`;
:class:`Symfony\\Component\\Notifier\\Recipient\\Recipient`: This can contain both the email address and the phone number of the user. This recipient can be used for all channels (depending on whether they are actually set).

.. versionadded:: 5.2

    The ``AdminRecipient`` class was removed in Symfony 5.2, you should use
    ``Recipient`` instead.

Configuring Channel Policies

Instead of specifying the target channels on creation, Symfony also allows you to use notification importance levels. Update the configuration to specify what channels should be used for specific levels (using channel_policy):

.. configuration-block::

    .. code-block:: yaml

        # config/packages/notifier.yaml
        framework:
            notifier:
                # ...
                channel_policy:
                    # Use SMS, Slack and email for urgent notifications
                    urgent: ['sms', 'chat/slack', 'email']

                    # Use Slack for highly important notifications
                    high: ['chat/slack']

                    # Use browser for medium and low notifications
                    medium: ['browser']
                    low: ['browser']

    .. code-block:: xml

        <!-- config/packages/notifier.xml -->
        <?xml version="1.0" encoding="UTF-8" ?>
        <container xmlns="http://symfony.com/schema/dic/services"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:framework="http://symfony.com/schema/dic/symfony"
            xsi:schemaLocation="http://symfony.com/schema/dic/services
                https://symfony.com/schema/dic/services/services-1.0.xsd
                http://symfony.com/schema/dic/symfony
                https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

            <framework:config>
                <framework:notifier>
                    <!-- ... -->

                    <framework:channel-policy>
                        <!-- Use SMS, Slack and Email for urgent notifications -->
                        <framework:urgent>sms</framework:urgent>
                        <framework:urgent>chat/slack</framework:urgent>
                        <framework:urgent>email</framework:urgent>

                        <!-- Use Slack for highly important notifications -->
                        <framework:high>chat/slack</framework:high>

                        <!-- Use browser for medium and low notifications -->
                        <framework:medium>browser</framework:medium>
                        <framework:low>browser</framework:low>
                    </framework:channel-policy>
                </framework:notifier>
            </framework:config>
        </container>

    .. code-block:: php

        // config/packages/notifier.php
        use Symfony\Config\FrameworkConfig;

        return static function (FrameworkConfig $framework) {
            // ...
            $framework->notifier()
                // Use SMS, Slack and email for urgent notifications
                ->channelPolicy('urgent', ['sms', 'chat/slack', 'email'])
                // Use Slack for highly important notifications
                ->channelPolicy('high', ['chat/slack'])
                // Use browser for medium and low notifications
                ->channelPolicy('medium', ['browser'])
                ->channelPolicy('low', ['browser'])
            ;
        };

Now, whenever the notification's importance is set to "high", it will be sent using the Slack transport:

// ...
class InvoiceController extends AbstractController
{
    #[Route('/invoice/create')]
    public function invoice(NotifierInterface $notifier)
    {
        // ...

        $notification = (new Notification('New Invoice'))
            ->content('You got a new invoice for 15 EUR.')
            ->importance(Notification::IMPORTANCE_HIGH);

        $notifier->send($notification, new Recipient('wouter@example.com'));

        // ...
    }
}

Customize Notifications

You can extend the Notification or Recipient base classes to customize their behavior. For instance, you can overwrite the getChannels() method to only return sms if the invoice price is very high and the recipient has a phone number:

namespace App\Notifier;

use Symfony\Component\Notifier\Notification\Notification;
use Symfony\Component\Notifier\Recipient\RecipientInterface;
use Symfony\Component\Notifier\Recipient\SmsRecipientInterface;

class InvoiceNotification extends Notification
{
    private $price;

    public function __construct(int $price)
    {
        $this->price = $price;
    }

    public function getChannels(RecipientInterface $recipient)
    {
        if (
            $this->price > 10000
            && $recipient instanceof SmsRecipientInterface
        ) {
            return ['sms'];
        }

        return ['email'];
    }
}

Customize Notification Messages

Each channel has its own notification interface that you can implement to customize the notification message. For instance, if you want to modify the message based on the chat service, implement :class:`Symfony\\Component\\Notifier\\Notification\\ChatNotificationInterface` and its asChatMessage() method:

// src/Notifier/InvoiceNotification.php
namespace App\Notifier;

use Symfony\Component\Notifier\Message\ChatMessage;
use Symfony\Component\Notifier\Notification\ChatNotificationInterface;
use Symfony\Component\Notifier\Notification\Notification;
use Symfony\Component\Notifier\Recipient\SmsRecipientInterface;

class InvoiceNotification extends Notification implements ChatNotificationInterface
{
    private $price;

    public function __construct(int $price)
    {
        $this->price = $price;
    }

    public function asChatMessage(RecipientInterface $recipient, string $transport = null): ?ChatMessage
    {
        // Add a custom emoji if the message is sent to Slack
        if ('slack' === $transport) {
            return (new ChatMessage('You\'re invoiced '.$this->price.' EUR.'))
                ->emoji('money');
        }

        // If you return null, the Notifier will create the ChatMessage
        // based on this notification as it would without this method.
        return null;
    }
}

The :class:`Symfony\\Component\\Notifier\\Notification\\SmsNotificationInterface` and :class:`Symfony\\Component\\Notifier\\Notification\\EmailNotificationInterface` also exists to modify messages sent to those channels.

Disabling Delivery

While developing (or testing), you may want to disable delivery of notifications entirely. You can do this by forcing Notifier to use the NullTransport for all configured texter and chatter transports only in the dev (and/or test) environment:

# config/packages/dev/notifier.yaml
framework:
    notifier:
        texter_transports:
            twilio: 'null://null'
        chatter_transports:
            slack: 'null://null'

Learn more

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notifier.rst

notifier.rst

Creating and Sending Notifications

Installation

Channels: Chatters, Texters, Email, Browser and Push

SMS Channel

Chat Channel

Email Channel

Push Channel

Configure to use Failover or Round-Robin Transports

Creating & Sending Notifications

Configuring Channel Policies

Customize Notifications

Customize Notification Messages

Disabling Delivery

Learn more

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Creating and Sending Notifications

Installation

Channels: Chatters, Texters, Email, Browser and Push

SMS Channel

Chat Channel

Email Channel

Push Channel

Configure to use Failover or Round-Robin Transports

Creating & Sending Notifications

Configuring Channel Policies

Customize Notifications

Customize Notification Messages

Disabling Delivery

Learn more