Individual skill

amazon-eventbridge-event-bus

Builds, runs, debugs, and operates event-driven applications using EventBridge Event Bus - a managed, centrally governed publish/subscribe event bus that an organization can share across many teams and accounts. Applicable when workloads need event-driven architectures, decoupling, choreography, asynchronous integration, pub/sub, fan-out, event ordering, delivered in sequence, event router, event broker, event bus, event store, event retention, event replay, deduplication, avro, protobuf, cloudevents, uses events or messages. Designed as a centrally managed event bus platform allowing governance and control - such as subscriber control, revocation, per-account throttling - while giving application owners flexibility across an organization spanning multiple accounts, with end-to-end open-standards observability and cost allocation. Also helps reduce costs in high fan-out scenarios where multi-account forwarding adds cost. A serverless, managed alternative to self-managed event streaming platforms.

skills/specialized-skills/serverless-skills/amazon-eventbridge-event-bus/SKILL.md

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# Building with the new EventBridge custom event buses

## Overview

The new EventBridge custom event bus routes events and retains them. You publish with
one of two APIs, and subscribers filter, optionally transform, and deliver each matching event to one target.

**Read chapters 5 and 6 before writing any filter, transformer, or target parameter.** The two publish APIs
deliver different payload shapes, and an expression written for one silently matches nothing against the
other.

Publish metrics are on by default, so you can always tell whether events reached a bus. Subscriber logs
are **off** by default, so turn them on before you debug a delivery rather than after (chapter 18).