Use Queues from Durable Objects

The following example shows you how to write a Worker script to publish to Cloudflare Queues from within a Durable Object.

Prerequisites:

• A queue created via the Cloudflare dashboard or the wrangler CLI.
• A configured producer binding in the Cloudflare dashboard or wrangler.toml file.
• A Durable Object namespace binding.

Configure your wrangler.toml file as follows:

The following Worker script:

1. Creates a Durable Object stub, or retrieves an existing one based on a userId.
2. Passes request data to the Durable Object.
3. Publishes to a queue from within the Durable Object.

The constructor() in the Durable Object makes your Environment available (in scope) on this.env to the fetch() handler in the Durable Object.