cloudflare · Cloudflare Workers Docs

Workers Tail Handler

Implements the tail() handler to process real-time logs and telemetry from producer Workers for streaming to analytics or logging services.

Derived skill

Files assembled from official documentation

Viewing SKILL.md

Implements the tail() handler to process real-time logs and telemetry from producer Workers for streaming to analytics or logging services.

Use when you need to implement a real-time log processing pipeline or stream Worker invocation telemetry to an external analytics service.

File	Contains	Use For
`SKILL.md`	Entry point: scope, routing table, and workflow.	Start here.
`docs/workers-runtime-apis-handlers-tail-handler-workflow-guide.md`	Documentation detailing the syntax, parameters, and properties of the Workers tail() handler for real-time log processing.	Questions about documentation detailing the syntax, parameters, and properties of the Workers tail() handler for real-time log proces...
`examples/workers-runtime-apis-handlers-tail-handler-cloudflare-workers-tail-handl.text`	A JavaScript code example demonstrating how to implement the tail handler to process log events in a Cloudflare Worker.	Exact payloads, commands, or snippets shown in A JavaScript code example demonstrating how to implement the tail handler to process log events in a Cloudflare Worker.

The tail() handler is the handler you implement when writing a Tail Worker. Tail Workers can be used to process logs in real-time and send them to a logging...
Main sections: Background, Syntax, Parameters, Properties, TailItems.

Open the most relevant file under docs/ for the exact documented workflow and wording.
Open schemas/ files for exact structured contracts.
Open examples/ files for concrete requests, commands, snippets, and manifests.
Do not add behavior or configuration that is not present in the attached source files.