Summary
    Adds an error handler to be executed if an exception occurs in the task.
    
		- Namespace
 - Cake
.Core  - Containing Type
 - Cake
Task Builder Extensions  
Syntax
public static CakeTaskBuilder OnError(this CakeTaskBuilder builder, Func<Task> errorHandler)
	Parameters
| Name | Type | Description | 
|---|---|---|
| builder | CakeTaskBuilder | The builder. | 
| errorHandler | Func | 
						The error handler. | 
Return Value
| Type | Description | 
|---|---|
| CakeTaskBuilder | The same CakeTaskBuilder instance so that multiple calls can be chained. | 
				
