---
title: Local development
description: Test your dynamic dispatch Worker locally while connecting to deployed user Workers in a Workers for Platforms namespace.
image: https://edgetunnel-b2h.pages.dev/dev-products-preview.png
---

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# Local development

Test changes to your [dynamic dispatch Worker](https://edgetunnel-b2h.pages.dev/cloudflare-for-platforms/workers-for-platforms/how-workers-for-platforms-works/#dynamic-dispatch-worker) by running the dynamic dispatch Worker locally but connecting it to user Workers that have been deployed to Cloudflare.

Note

Consider using a staging namespace to test changes safely before deploying to production.

This is helpful when:

* **Testing routing changes** and validating that updates continue to work with deployed User Workers
* **Adding new middleware** like authentication, rate limiting, or logging to the dynamic dispatch Worker
* **Debugging issues** in the dynamic dispatcher that may be impacting deployed User Workers

### How to use remote dispatch namespaces

In the dynamic dispatch Worker's Wrangler file, configure the [dispatch namespace binding](https://edgetunnel-b2h.pages.dev/workers/wrangler/configuration/#dispatch-namespace-bindings-workers-for-platforms) to connect to the remote namespace by setting [remote = true](https://edgetunnel-b2h.pages.dev/workers/local-development/#remote-bindings):

* [  wrangler.jsonc ](#tab-panel-7697)
* [  wrangler.toml ](#tab-panel-7698)

**JSONC**

```jsonc
{
  "dispatch_namespaces": [
    {
      "binding": "DISPATCH_NAMESPACE",
      "namespace": "production",
      "remote": true
    }
  ]
}
```

**TOML**

```toml
[[dispatch_namespaces]]
binding = "DISPATCH_NAMESPACE"
namespace = "production"
remote = true
```

This tells your dispatch Worker that's running locally to connect to the remote `production` namespace. When you run `wrangler dev`, your Dispatch Worker will route requests to the User Workers deployed in that namespace.

For more information about remote bindings during local development, refer to [remote bindings documentation](https://edgetunnel-b2h.pages.dev/workers/local-development/#remote-bindings).

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