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ActionCable.html
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---
title: ActionCable
layout: default
---
<div class="main">
<div class="banner">
<span>Ruby on Rails 8.0.0</span><br />
<div class="type">Module</div>
<h1>
ActionCable
</h1>
<ul class="files">
<li><a href="../files/actioncable/lib/action_cable_rb.html">actioncable/lib/action_cable.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/channel/base_rb.html">actioncable/lib/action_cable/channel/base.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/channel/broadcasting_rb.html">actioncable/lib/action_cable/channel/broadcasting.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/channel/callbacks_rb.html">actioncable/lib/action_cable/channel/callbacks.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/channel/naming_rb.html">actioncable/lib/action_cable/channel/naming.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/channel/periodic_timers_rb.html">actioncable/lib/action_cable/channel/periodic_timers.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/channel/streams_rb.html">actioncable/lib/action_cable/channel/streams.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/channel/test_case_rb.html">actioncable/lib/action_cable/channel/test_case.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/authorization_rb.html">actioncable/lib/action_cable/connection/authorization.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/base_rb.html">actioncable/lib/action_cable/connection/base.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/callbacks_rb.html">actioncable/lib/action_cable/connection/callbacks.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/client_socket_rb.html">actioncable/lib/action_cable/connection/client_socket.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/identification_rb.html">actioncable/lib/action_cable/connection/identification.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/internal_channel_rb.html">actioncable/lib/action_cable/connection/internal_channel.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/message_buffer_rb.html">actioncable/lib/action_cable/connection/message_buffer.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/stream_rb.html">actioncable/lib/action_cable/connection/stream.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/stream_event_loop_rb.html">actioncable/lib/action_cable/connection/stream_event_loop.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/subscriptions_rb.html">actioncable/lib/action_cable/connection/subscriptions.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/tagged_logger_proxy_rb.html">actioncable/lib/action_cable/connection/tagged_logger_proxy.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/test_case_rb.html">actioncable/lib/action_cable/connection/test_case.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/connection/web_socket_rb.html">actioncable/lib/action_cable/connection/web_socket.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/deprecator_rb.html">actioncable/lib/action_cable/deprecator.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/engine_rb.html">actioncable/lib/action_cable/engine.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/gem_version_rb.html">actioncable/lib/action_cable/gem_version.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/helpers/action_cable_helper_rb.html">actioncable/lib/action_cable/helpers/action_cable_helper.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/remote_connections_rb.html">actioncable/lib/action_cable/remote_connections.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/server/base_rb.html">actioncable/lib/action_cable/server/base.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/server/broadcasting_rb.html">actioncable/lib/action_cable/server/broadcasting.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/server/configuration_rb.html">actioncable/lib/action_cable/server/configuration.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/server/connections_rb.html">actioncable/lib/action_cable/server/connections.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/server/worker_rb.html">actioncable/lib/action_cable/server/worker.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/server/worker/active_record_connection_management_rb.html">actioncable/lib/action_cable/server/worker/active_record_connection_management.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/async_rb.html">actioncable/lib/action_cable/subscription_adapter/async.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/base_rb.html">actioncable/lib/action_cable/subscription_adapter/base.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/channel_prefix_rb.html">actioncable/lib/action_cable/subscription_adapter/channel_prefix.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/inline_rb.html">actioncable/lib/action_cable/subscription_adapter/inline.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/postgresql_rb.html">actioncable/lib/action_cable/subscription_adapter/postgresql.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/redis_rb.html">actioncable/lib/action_cable/subscription_adapter/redis.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/subscriber_map_rb.html">actioncable/lib/action_cable/subscription_adapter/subscriber_map.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/subscription_adapter/test_rb.html">actioncable/lib/action_cable/subscription_adapter/test.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/test_case_rb.html">actioncable/lib/action_cable/test_case.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/test_helper_rb.html">actioncable/lib/action_cable/test_helper.rb</a></li>
<li><a href="../files/actioncable/lib/action_cable/version_rb.html">actioncable/lib/action_cable/version.rb</a></li>
<li><a href="../files/railties/lib/rails/commands/app/update_command_rb.html">railties/lib/rails/commands/app/update_command.rb</a></li>
<li><a href="../files/railties/lib/rails/generators/rails/authentication/authentication_generator_rb.html">railties/lib/rails/generators/rails/authentication/authentication_generator.rb</a></li>
</ul>
</div>
<div id="bodyContent">
<div id="content">
<div class="description">
<h1 id="module-ActionCable-label-Action+Cable+-E2-80-93+Integrated+WebSockets+for+Rails">Action Cable – Integrated WebSockets for Rails</h1>
<p>Action Cable seamlessly integrates WebSockets with the rest of your Rails application. It allows for real-time features to be written in Ruby in the same style and form as the rest of your Rails application, while still being performant and scalable. It’s a full-stack offering that provides both a client-side JavaScript framework and a server-side Ruby framework. You have access to your full domain model written with Active Record or your ORM of choice.</p>
<p>You can read more about Action Cable in the <a href="https://guides.rubyonrails.org/action_cable_overview.html">Action Cable Overview</a> guide.</p>
<h2 id="module-ActionCable-label-Support">Support</h2>
<p>API documentation is at:</p>
<ul><li>
<p><a href="https://api.rubyonrails.org">api.rubyonrails.org</a></p>
</li></ul>
<p>Bug reports for the Ruby on Rails project can be filed here:</p>
<ul><li>
<p><a href="https://github.com/rails/rails/issues">github.com/rails/rails/issues</a></p>
</li></ul>
<p>Feature requests should be discussed on the rails-core mailing list here:</p>
<ul><li>
<p><a href="https://discuss.rubyonrails.org/c/rubyonrails-core">discuss.rubyonrails.org/c/rubyonrails-core</a></p>
</li></ul>
</div>
<h2 id="namespace">Namespace</h2>
<h3 id="module">Module</h3>
<ul>
<li><a href="ActionCable/Channel.html">ActionCable::Channel</a></li>
<li><a href="ActionCable/Connection.html">ActionCable::Connection</a></li>
<li><a href="ActionCable/Helpers.html">ActionCable::Helpers</a></li>
<li><a href="ActionCable/Server.html">ActionCable::Server</a></li>
<li><a href="ActionCable/SubscriptionAdapter.html">ActionCable::SubscriptionAdapter</a></li>
<li><a href="ActionCable/TestHelper.html">ActionCable::TestHelper</a></li>
<li><a href="ActionCable/VERSION.html">ActionCable::VERSION</a></li>
</ul>
<h3 id="class">Class</h3>
<ul>
<li><a href="ActionCable/RemoteConnections.html">ActionCable::RemoteConnections</a></li>
<li><a href="ActionCable/TestCase.html">ActionCable::TestCase</a></li>
</ul>
<h2 id="methods">Methods</h2>
<ul>
<li>
<a href="#method-c-gem_version">gem_version</a>
</li>
<li>
<a href="#method-i-server">server</a>
</li>
<li>
<a href="#method-c-version">version</a>
</li>
</ul>
<!-- Section constants -->
<h2 id="constants">Constants</h2>
<table border='0' cellpadding='5'>
<tr valign='top'>
<td class="attr-name">INTERNAL</td>
<td>=</td>
<td class="attr-value">{
message_types: {
welcome: "welcome",
disconnect: "disconnect",
ping: "ping",
confirmation: "confirm_subscription",
rejection: "reject_subscription"
},
disconnect_reasons: {
unauthorized: "unauthorized",
invalid_request: "invalid_request",
server_restart: "server_restart",
remote: "remote"
},
default_mount_path: "/cable",
protocols: ["actioncable-v1-json", "actioncable-unsupported"].freeze
}</td>
</tr>
</table>
<!-- Methods -->
<h2 id="class-public-methods">Class Public methods</h2>
<div class="method">
<h3 id="method-c-gem_version">
gem_version()
</h3>
<div class="description">
<p>Returns the currently loaded version of Action Cable as a <code>Gem::Version</code>.</p>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File actioncable/lib/action_cable/gem_version.rb, line 7
def self.gem_version
Gem::Version.new VERSION::STRING
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/actioncable/lib/action_cable/gem_version.rb#L7" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<div class="method">
<h3 id="method-c-version">
version()
</h3>
<div class="description">
<p>Returns the currently loaded version of Action Cable as a <code>Gem::Version</code>.</p>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File actioncable/lib/action_cable/version.rb, line 9
def self.version
gem_version
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/actioncable/lib/action_cable/version.rb#L9" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
<h2 id="instance-public-methods">Instance Public methods</h2>
<div class="method">
<h3 id="method-i-server">
server()
</h3>
<div class="description">
<p><a href="Singleton.html"><code>Singleton</code></a> instance of the server</p>
</div>
<details class="method__source">
<summary>
<span class="label">📝 Source code</span>
</summary>
<pre><code class="ruby"># File actioncable/lib/action_cable.rb, line 77
def server
@server ||= ActionCable::Server::Base.new
end</code></pre>
<a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/actioncable/lib/action_cable.rb#L77" target="_blank" class="github_url">🔎 See on GitHub</a>
</details>
</div>
</div>
</div>
</div>