> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/alchemy-run/alchemy/llms.txt
> Use this file to discover all available pages before exploring further.

# DurableObjectNamespace

> API reference for Cloudflare Durable Object Namespace

# DurableObjectNamespace

Creates a Durable Object namespace binding for stateful objects in Cloudflare Workers.

## Props

<ParamField path="className" type="string" required>
  Name of the class that implements the Durable Object.

  ```ts theme={null}
  const rooms = DurableObjectNamespace("chat-rooms", {
    className: "ChatRoom"
  });
  ```
</ParamField>

<ParamField path="scriptName" type="string">
  Name of the script containing the Durable Object implementation.

  <Expandable title="default" defaultOpen>
    Bound to the worker that includes this namespace in its bindings
  </Expandable>
</ParamField>

<ParamField path="environment" type="string">
  Environment name for the Durable Object.
</ParamField>

<ParamField path="sqlite" type="boolean">
  Whether to enable SQLite storage for the Durable Object.

  ```ts theme={null}
  const users = DurableObjectNamespace("user-store", {
    className: "User",
    sqlite: true
  });
  ```
</ParamField>

## Output

<ResponseField name="id" type="string">
  The ID of the Durable Object namespace.
</ResponseField>

<ResponseField name="className" type="string">
  Name of the class that implements the Durable Object.
</ResponseField>

<ResponseField name="scriptName" type="string">
  Name of the script containing the Durable Object implementation.
</ResponseField>

<ResponseField name="type" type="durable_object_namespace">
  Type identifier for the binding.
</ResponseField>

## Examples

### Basic Durable Object Namespace

```ts theme={null}
const rooms = DurableObjectNamespace("chat-rooms", {
  className: "ChatRoom"
});

const worker = await Worker("chat", {
  entrypoint: "./src/chat.ts",
  bindings: {
    ROOMS: rooms
  }
});
```

### Durable Object with SQLite

```ts theme={null}
const users = DurableObjectNamespace("user-store", {
  className: "User",
  sqlite: true
});

const worker = await Worker("api", {
  entrypoint: "./src/api.ts",
  bindings: {
    USERS: users
  }
});
```

### Cross-Script Binding

```ts theme={null}
const dataWorker = await Worker("data-worker", {
  entrypoint: "./src/data.ts",
  bindings: {
    STORAGE: DurableObjectNamespace("storage", {
      className: "DataStorage"
    })
  }
});

const apiWorker = await Worker("api-worker", {
  entrypoint: "./src/api.ts",
  bindings: {
    SHARED_STORAGE: dataWorker.bindings.STORAGE
  }
});
```