JavaScript event reference

Every event the Honeybadger JavaScript client sends to Insights when instrumentation is enabled: inbound HTTP requests from Express, Fastify, and AWS Lambda (@honeybadger-io/js) and Next.js (@honeybadger-io/nextjs), and console log messages. Each entry lists the event's fields with their types, and links to its raw JSON Schema.

2 events emitted by @honeybadger-io/js, @honeybadger-io/nextjs.

---

log

A console log message forwarded to Insights when insights.console is enabled.

Field	Type	Description
event_type	string	Allowed value: log.
severity	string	Console method that produced the message, e.g. "log", "info", "warn", "error", "debug".
message	string	First argument when it is a string. Omitted when the first argument is not a string.
args	array<any>	Remaining console arguments when the first argument is a string, or all arguments otherwise.

Example

{
  "event_type": "log",
  "severity": "info",
  "message": "User signed in",
  "args": [
    123,
    {
      "ok": true
    }
  ]
}

request.handled

An inbound HTTP request finished. Emitted by the Express, Fastify, and AWS Lambda integrations in @honeybadger-io/js, and by withHoneybadger in @honeybadger-io/nextjs, when insights.http is enabled.

Field	Type	Description
event_type	string	Allowed value: request.handled.
method	string	HTTP method, e.g. "GET", "POST".
path	string	Request path.
route	string | null	Matched route pattern when the framework provides one (for example Express req.route.path or Fastify req.routeOptions.url). Not set for AWS Lambda.
status	integer	HTTP response status code.
duration	integer	Request duration in milliseconds.
request_id	string	Unique ID for this request. Read from the x-request-id or request-id header, or generated when neither is present. Merged from event context.
correlation_id	string	ID that may span related requests. Read from the x-correlation-id or x-amzn-trace-id header, or falls back to request_id. Merged from event context.

Example

{
  "event_type": "request.handled",
  "method": "GET",
  "path": "/users/123",
  "route": "/users/:id",
  "status": 200,
  "duration": 42,
  "request_id": "f3b2c1d0-4e5a-4b6c-8d7e-9f0a1b2c3d4e",
  "correlation_id": "f3b2c1d0-4e5a-4b6c-8d7e-9f0a1b2c3d4e"
}