---
title: "Discussion on \"Fastify has a new Application Hook!\" | Hashnode"
description: "Discussion on \"Fastify has a new Application Hook!\". Discover Fastify's new `onListen` application hook in v4.23.0 and learn how to leverage it in your projects"
url: "https://hashnode.com/posts/fastify-has-a-new-application-hook/6507f32177c2f26b3d6f6731"
---

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Discussion

# [Fastify has a new Application Hook!](https://backend.cafe/fastify-has-a-new-application-hook?utm_source=hashnode&utm_medium=feed)

Discover Fastify's new \`onListen\` application hook in v4.23.0 and learn how to leverage it in your projects

Sep 18, 2023 · 4 min read · backend.cafe  
Updated May 23, 2024  
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-   [#backend](https://hashnode.com/tag/backend)
-   [#fastify](https://hashnode.com/tag/fastify)
-   [#hooks](https://hashnode.com/tag/hooks)

## Written by

[Manuel Spigolon](https://hashnode.com/@Eomm)

@Eomm · Italy

  
[View profile](https://hashnode.com/@Eomm)

Developer

I'm Manuel and I work at NearForm as a Full Remote Software Developer from 🇮🇹 Italy. I'm one of the Fastify maintainers since 2019. Contributing to Open Source Software teaches me something new every day. You should join this extraordinary world.

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