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Inngest · Concept

Failure handler

Use onFailure to run cleanup or alerting after one function exhausts its retries. Use the inngest/function.failed system event to handle failures across an environment.

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Syntax

inngest.createFunction({ id, triggers, onFailure: async ({ error, event, step, runId }) => {} }, handler)

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  • inngest/function.failed
  • createFunction
  • onFailure
  • step.run
  • error handling and retries

Source: onFailure Handler | TypeScript SDK v4 Reference - Inngest Docs. Checked 2026-11-03.