| type| [BundleChangedEvent](js-apis-bundleMonitor.md#BundleChangedEvent)| Yes | Type of the event to unsubscribe from. |
| type| [BundleChangedEvent](js-apis-bundleMonitor.md#bundlechangedevent)| Yes | Type of the event to unsubscribe from. |
| callback | callback\<BundleChangedInfo>| No | Callback used for the unsubscription. By default, no value is passed, and all callbacks of the current event are unsubscribed from.|
| callback | callback\<BundleChangedInfo>| No | Callback used for the unsubscription. By default, no value is passed, and all callbacks of the current event are unsubscribed from.|