IPushSubscriptionObserver 5.4.2 API

```
public interface IPushSubscriptionObserver

                    
```
A subscription changed handler. Implement this interface and provide the implementation to ISubscription.addObserver to be notified when the subscription has changed.

Method Summary

Modifier and Type	Method	Description
`abstract Unit`	`onPushSubscriptionChange(PushSubscriptionChangedState state)`	Called when the subscription this change handler was added to, has changed.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - onPushSubscriptionChange
```
 abstract Unit onPushSubscriptionChange(PushSubscriptionChangedState state)
```
    Called when the subscription this change handler was added to, has changed. A subscription can change either because of a change driven by the application, or by the backend.
    
    Parameters:
    
    state - The subscription changed state.