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Event Payloads

Events are the fundamental data that clients, often through the use of an SDK, send to the Sentry server. Event payload size limit is 200KB compressed and 1 MB decompressed.

The API endpoint on the Sentry server where event payloads are sent is /api/{PROJECT_ID}/store/.

Required Attributes

Attributes are simple data that Sentry understands to provide the most basic information about events. These are things like the unique ID of an event or the time when it occurred.

The following attributes are required for all events.

event_id
Required. Hexadecimal string representing a uuid4 value. The length is exactly 32 characters. Dashes are not allowed. Has to be lowercase.

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{
  "event_id": "fc6d8c0c43fc4630ad850ee518f1b9d0"
}

timestamp
Indicates when the event was created in the Sentry SDK. The format is either a string as defined in RFC 3339 or a numeric (integer or float) value representing the number of seconds that have elapsed since the Unix epoch.

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{
  "timestamp": "2011-05-02T17:41:36Z"
}

or:

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{
  "timestamp": 1304358096.0
}

platform
A string representing the platform the SDK is submitting from. This will be used by the Sentry interface to customize various components in the interface.

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{
  "platform": "python"
}

Acceptable values are:

  • as3
  • c
  • cfml
  • cocoa
  • csharp
  • elixir
  • haskell
  • go
  • groovy
  • java
  • javascript
  • native
  • node
  • objc
  • other
  • perl
  • php
  • python
  • ruby

Optional Attributes

Additionally, there are several optional values which Sentry recognizes and are highly encouraged:

level
The record severity.

Defaults to error.

The value needs to be one on the supported level string values.

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{
  "level": "warning"
}

Acceptable values are:

  • fatal
  • error
  • warning
  • info
  • debug

logger
The name of the logger which created the record.

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{
  "logger": "my.logger.name"
}

transaction
The name of the transaction which caused this exception.

For example, in a web app, this might be the route name.

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{
  "transaction": "/users/<username>/"
}

server_name
Identifies the host from which the event was recorded.

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{
  "server_name": "foo.example.com"
}

release
The release version of the application.

Release versions must be unique across all projects in your organization. This value can be the git SHA for the given project, or a product identifier with a semantic version (suggested format my-project-name@1.0.0).

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{
  "release": "my-project-name@1.0.0"
}

dist
The distribution of the application.

Distributions are used to disambiguate build or deployment variants of the same release of an application. For example, the dist can be the build number of an Xcode build or the version code of an Android build.

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{
  "release": "721e41770371db95eee98ca2707686226b993eda",
  "dist": "14G60"
}

tags
Optional. A map or list of tags for this event. Each tag must be less than 200 characters.

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{
  "tags": {
    "ios_version": "4.0",
    "context": "production"
  }
}

environment
The environment name, such as production or staging. The default value should be production.

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{
  "environment": "production"
}

modules
A list of relevant modules and their versions.

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{
  "modules": {
    "my.module.name": "1.0"
  }
}

extra
An arbitrary mapping of additional metadata to store with the event.

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{
  "extra": {
    "my_key": 1,
    "some_other_value": "foo bar"
  }
}

fingerprint
A list of strings used to dictate the deduplication of this event.

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{
  "fingerprint": ["myrpc", "POST", "/foo.bar"]
}

For information about overriding grouping see Customize Grouping with Fingerprints.

errors
A list of errors in capturing or handling this event. This provides meta data about event capturing and processing itself, not about the error or transaction that the event represents.

This list is primarily populated by Sentry when receiving and processing the event. SDKs are only encouraged to add entries here if there are severe conditions that Sentry cannot detect by inspecting the remaining payload.

Errors must contain a required type field, which can be one of the types declared in the Sentry EventError model. If there is no applicable type variant, consider opening an issue to suggest the addition.

Apart from types, any attribute is valid. There are conventions for the semantics of common error attributes, if they are included:

  • name: A string declaring the path to the payload field that causes or exhibits the error. For example modules[0].name.
  • value: The original value of a field that causes or exhibits the error.
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{
  "errors": [
    {
      "type": "unknown_error",
      "path": "/var/logs/errors.log.1",
      "details": "Failed to read attachment"
    }
  ]
}

Core Interfaces

All values in the event payload that are not basic attributes are data interfaces. The key is the canonical interface short name, and the value is the data expected by the interface (usually a dictionary).

For the most part, interfaces are an evolving part of Sentry. Like with attributes, SDKs are expected to assume that more interfaces will be added at any point in the future.

The core data interfaces are:

Scope Interfaces

Other Interfaces

Type Definitions

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