# 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> |