```
public interface IMessageHandler
```

Represents a callback the results of resource leveling.
## Methods

| Method | Description |
| --- | --- |
| [message(int level, String message)](#message-int-java.lang.String-) | Aspose.Tasks invokes this method when outputs a message. |
### message(int level, String message) {#message-int-java.lang.String-}
```
public abstract void message(int level, String message)
```


Aspose.Tasks invokes this method when outputs a message.

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| level | int | Verbosity level of the message. |
| message | java.lang.String | The text of the message. |