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Action Cable is Rails’ framework for WebSocket connections, allowing real-time communication between the server and client.

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Supported instrumentation

When you have Action Cable channels in your Rails application, AppSignal automatically tracks:
  • Channel subscription events
  • Channel messages
  • Error tracking in channels
All Action Cable activity is reported under your application’s “action_cable” namespace.

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No additional configuration needed

AppSignal supports Action Cable out-of-the-box without the need for manual instrumentation. For additional Rails setup instructions, see our Rails integration guide.