---
title: feature_operation.flipper
description: A Flipper feature flag check or mutation recorded by Honeybadger.
url: https://docs.honeybadger.io/insights/event-types/ruby/feature_operation.flipper/
---

A Flipper feature flag check or mutation recorded by Honeybadger.

Source **Flipper** Category **Feature flags** Fields **9** [honeybadger-ruby](https://docs.honeybadger.io/lib/ruby/)

## Fields

| Field             | Type   | Description                                                                                                               |
| ----------------- | ------ | ------------------------------------------------------------------------------------------------------------------------- |
| `event_type`      | string | Allowed value: `feature_operation.flipper`.                                                                               |
| `feature_name`    | string | Name of the Flipper feature flag.                                                                                         |
| `operation`       | string | Operation performed, e.g. "enabled?", "enable", "disable".                                                                |
| `result`          | any    | Result of the operation. Checks return booleans, while mutations can return other values.                                 |
| `request_id`      | string | Rails request UUID, present on any event fired during a web request context. Set by the Honeybadger agent when available. |
| `hostname`        | string | Server hostname. Attached to every event by default (events.attach\_hostname).                                            |
| `environment`     | string | Application environment, e.g. "production". Attached to every event by default (events.attach\_environment).              |
| `instrumenter_id` | string | ActiveSupport::Notifications instrumenter UUID, added by the Honeybadger notification subscriber.                         |
| `duration`        | number | Duration of the instrumented operation in milliseconds.                                                                   |

## Example

```json
{
  "event_type": "feature_operation.flipper",
  "feature_name": "new_dashboard",
  "operation": "enabled?",
  "result": true,
  "request_id": "0f5e4bb2-3c46-4b1c-91d5-2f4e8a6b9c01",
  "hostname": "web-1.example.com",
  "environment": "production",
  "instrumenter_id": "d6a5b3f4c2e1908a7b6c",
  "duration": 0.42
}
```

---

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