Summary
	
    Adds an error handler to be executed if an exception occurs in the task.
    
		
	Syntax
	public static CakeTaskBuilder<TData> OnError<TData>(this CakeTaskBuilder<TData> builder, Func<Exception, ICakeContext, TData, Task> errorHandler) 
    where TData : class
	Type Parameters
	
		
			
				
					
						| Name | Description | 
				
					
						| TData | The extra data to operate with inside the error handler. | 
			
		 
	 	
	Parameters
	
		
			
				
					
						| Name | Type | Description | 
				
					
						| builder | CakeTaskBuilder<TData> | The builder. | 
					
						| errorHandler | Func<Exception, ICakeContext, TData, Task> | The error handler. | 
			
		 
	 	
	Return Value