> For the complete documentation index, see [llms.txt](https://sparkar-community.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sparkar-community.gitbook.io/docs/reactivemodule/subscription.md).

# Subscription

The `Subscription` class implements object value monitoring.

## Properties

This module exposes no properties.

## Methods

| Method        | Description                                                                                                                                                                                                                                     |
| ------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `unsubscribe` | <p><code>unsubscribe(): void</code></p><p>Unsubscribes the previously subscribed callback from the <code>EventSource</code>.</p><p><strong>See Also</strong>: <code>EventSource.subscribe</code>, <code>EventSource.subscribeOnNext</code>.</p> |