---
title: "Discussion on \"How to Build Safe Fan-Out and Join Workflows With Google ADK\" | Hashnode"
description: "Discussion on \"How to Build Safe Fan-Out and Join Workflows With Google ADK\". Design safe Google ADK fan-out and join workflows with single-writer state, explicit joins, and topology-based tests."
url: "https://hashnode.com/posts/how-to-build-safe-fan-out-and-join-workflows-with-google-adk/6aad6066b5ac52dba7b2648c"
---

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# [How to Build Safe Fan-Out and Join Workflows With Google ADK](https://rajudandigam.hashnode.dev/how-to-build-safe-fan-out-and-join-workflows-with-google-adk?utm_source=hashnode&utm_medium=feed)

Design safe Google ADK fan-out and join workflows with single-writer state, explicit joins, and topology-based tests.

Sep 18 · 7 min read · rajudandigam.hashnode.dev  
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## Written by

[Raju Dandigam](https://hashnode.com/@rajudandigam)

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