IModelChangedHandler 5.4.2 API

```
public interface IModelChangedHandler

                    
```
Implement IModelChangedHandler and subscribe implementation via Model.subscribe to be notified when the Model has changed.

Method Summary

Modifier and Type	Method	Description
`abstract Unit`	`onChanged(ModelChangedArgs args, String tag)`	Called when the subscribed model has been changed.

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

- Method Detail
  - onChanged
```
 abstract Unit onChanged(ModelChangedArgs args, String tag)
```
    Called when the subscribed model has been changed.
    
    Parameters:
    
    args - Information related to what has changed.
    
    tag - The tag which identifies how/why the model was changed.